Historic, archived document Do not assume content reflects current scientific knowledge, policies, or practices. Fee Re er ip te eae ESE nN re ee RE WO er ae, BA Re a SS ™ yee “a SeDita ser ‘. , UNITED STATES DEPARTMENT OF AGRICULTURE . BULLETIN No. 1132 Washington, D. C. PROFESSIONAL PAPER March 21, 1923 THE RESULTS OF PHYSICAL TESTS OF ROAD-BUILDING ROCK - FROM 1916 TO 1921, INCLUSIVE CONTENTS Page. Introduction Table Il.—Resulis tf compression tests Table I.—Results of physical tests of of rock made prior to January 1,1916 . 48 roadbuilding rock from 1916 to 1921, Table I11.—General limiting test values inclusive . .. era 5 Rigs for broken stone Table 1V.—Geographical distribution of Crushing strength or A ee test . 46 rock samples tested from January 1, Interpretation of resuits of physicaltests . 46 1916, to January 1, 1922 WASHINGTON GOVERNMENT PRINTING OFFICE 1923 a Washington, D. C. PROFESSIONAL PAPER March 21, 1923 THE RESULTS OF PHYSICAL TESTS OF ROAD-BUILDING ROCK FROM 1916 TO 1921, INCLUSIVE. Prepared in the Bureau of Public Roads. CONTENTS. Page. Page. Maas EON UICLIOI forte ceo oie sete crave Sais cle nie cere ais 1 | Table 3.—General limiting test values for Table 1.—Results of physical tests of road- proken!Stone St = 22 a2 << <0 nee ne ee dl building rock from 1916 to 1921, inclusive. . 2 | Table 4.—Geographical distribution of rock Crushing strength or compression test-..... 46 samples tested from January 1, 1916, to Interpretation of results of physical tests... .- 46 January: 1, 1992's. occa. cesouseuees ses eenee 52 Table 2.—Results of compression tests of rock made prior to January 1, 1916.............. INTRODUCTION. This bulletin gives the results of tests of all rock made by the Bureau of Public Roads from January 1, 1916, to January 1, 1922, classified alphabetically according to location. It supplements United States Department of Agriculture Bulletin 370, “ Results of Physical Tests of Fe oad Bitdiae Rock,” and replaces United States. Department of Agriculture Bulletin 670, “ Results of Tests of Road- Buuding Rock in 1916 and 1917.” The results of tests of approxi- mately 5,300 samples are now avilable in the two bulletins and these tests represent road-building material from practically all parts of the United States and some parts of Canada, Haiti, the Dominican Republic, and Porto Rico. Reference to Table 1, in which the results of tests made subsequent to January 1, 1916, are tabulated, will show that a test of crushing strength has been made on a number of samples, and a column of test results not found in Bulletin No. 370 is added thereby. ‘Tests of crushing strength made prior to 1916 are recorded in Table 2. This quality of rock is not determined ordinarily when making examinations of their suitability for road building, but it is employed often when considering rock for use as Being blocks or as railroad ballast. 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S. DEPARTMENT OF AGRICULTURE. 44 SOUTULO TOC a ea ae ten se ae iain 29S eee, ye ZOOT Sema reine marae ama o7TUAOTO 00) | moe copie () | 8 f ; aoe pa 2) SIA AGRE eee eine at cra GSU. [hore maine icininnicie “DUO Mees spidey puery | 6SI0L ¢ fest fra foe) fier | a US eeecmmees cs 2 sore | ean prdear pet | 6:70 ; a) aa eae oe a (2) S| See eR AS” $..-.- yspueg |------ eter ORO RIOM |x st ---*-90I0g SUGASI19 | 9160Z OT SI £°6 €'? 68°% LOT STL “22 poe ey eee DINO REEIEE |L aey cnencneme ee | Sa arn ena rae ais i Pel ce ee oh oes OF de gelnearihedicns ga see prepa ulic g ran 0°91 8 “OL Le L&T CL Ea. eer es hs eae es ee aes FO 3 eis et |e ORS erepmuuids a gor L°8 9°F 86°0 ELT (z) qyULOTOT : orqno Jo -j00y ‘| oxen ee {850U ASO USP | - ream Jo THRO orqnoied| spunod ‘[e110}VUT JO CUB NN Ayanog " L raise “YsnoL | -PieH 73009 =~} queomg| ‘aon | y4y30M | ‘yIZUeIs Moneta -diosqy Surysnig “NISNOOSIM : - 59899 qnoishyd fo y)nsay~—'T AIA, *‘ponurju0j—ZzZ6er ‘Tf hupnuve 07 ‘616 ‘7 huonunpe—opoung pun ‘yin SUIS panuyQ ay) wolf yoo buapzing-pvo. fo 8897 pooshyd fo 7) 45 PHYSICAL TESTS OF ROAD-BUILDING ROCK. ‘OpeUL JOU SAY, z “UMOTTY JOU AITROOT OVX 1 L L°¥1 1°6 aa ITT oor (rp a) ae ee oe go PUOUSBULY TS ge mire cama ce 6 Tie Be ne "**"gopnog 30d | FFL61 2 L's 6°9 8°¢ 2 ia 881 Ce)e ale ere ec ee AR Bees “ouryuediog | -*-"*° rie iets a iat Clean aoe (Tet) eqUAy | ZPL6L (s) =| 2°21 aig 16 G0'F OFT A) OSBquiq, |7 7° 7273 SOUTAOI ooqont) |" -" 777" "**"*(avaT) TINH | OSOTT SI €'8T £01 6'¢ 1G 2 COT (a) ina (ae ake ae OUOISOUE TT Alou ee eces cs c8) 0. Sac: Fal pope “"qulod [[TUIpULM | 9F26 P €'81 $¢ PL 19° FOL OF LO tee Fl sk ea he a cee LOUOISOURIGT || 2s s Sages ag ODE as 23 tae ae page TOWOHTEM | 290% 6 € °F Z'8 6° LL GOT QSOS een RE SN ann a ay ee ae ODEs ee ge Fare RODS i Sale 4 eae es Cie OD rey 69602 Or $F 6'9 8°¢ 191 991 COPS en” | as Se ee ae ses ONMMOTO Ge |e tant ns SS ODie Seat pak meet “TES OPh.-ts| S9Gnz OT e'F1 6'8 CT 78 'T OLT G22 ‘OE See ea Ry O}MMO[OP Snosdey[Is1y | --77 eIBODGr tee oie eke aE mojsuventy | 1990z P 0°21 Z'8 6°F 9¢° 191 (Dene el ai ae a Ros earn Sees “9UO SOULIT |° ~~ "~~ Oe dre: SOD a ora ads “"""(JO 4SB9) BMBIIO | GOTT P 1°81 £°8 8'F GOs 99T (g) > a SSS ee ary oJTOIOTOp SnovdeyIsry je a?) OOr'eee) Bl aA ee (JO YINOS) VBMBIIO | SFITL OT 0'9T 80 Le PL PLT O8Ehae * SSeS Te ES ebncaiee Gate eth hve OD Ro oF Sas ease SSO weet ele. et ee ee eee op-~~~*| Z680Z 9 0'FT Z°8 6'F Ze Z91 GO TeeL Cir als ee eee Sig ee a SOUTMIOTO GIs |scn s aa cakes ee WSOP ete tte SCT ee eee ot ODine a T680% SI 0°ST ign 9°¢ 66" IZ 0g9 ‘Ee a a ae O}ULOTOp Snosde][Is1y | ~~ ** ER aig tr Sep OD ea gcc Or at =e eae aD: ae 2 EUS i) ‘8 G Or. ans Te ‘1 eLI RoR |" oe Ss eR Bo Se ODE eh a a Woes SOD T ava hy EEE ore 2 OP aaa [see0ak (z) z) it 9°¢ 19° LLI Ge yires Say SERS Sg SS Soe oases A ODES leciey meen ears eg ESOP eee sp se ae ee ODE 2 ae LU GCOEL &T 0°FT £°6 €'F t (z) Ge) ret” a Sei teaee es 55 o's piri OP 25 2a toe Skee age Ops ect oreo kaa. se at 2 OD eae lap OOeL €I 0'ST 8°6 IF z) (z) CE Ball mak ee eee eek tres 9 se SS <5 OTTO IOCE= eas es oe Os ODES ANG Spee ere acer sepund | §269T TI LSI 6°21 Te 89°O PLI (z) Heater, oak as Bae Gn. ogre actin QUO SVM] SNOVOTTIG | ~~~ ~ “9DUTAOIg OWIWIADO je OATY JUING | 0Z6ET “VGVNVO z us owt - s. ~_ ~ 46 BULLETIN 1132, U. S. DEPARTMENT OF AGRICULTURE. CRUSHING STRENGTH OR COMPRESSION TEST. This test is made upon a cylindrical test specimen 2 inches in diameter and 2 inches high. Both ends of the specimen, which have been sawed at right angles to the axis of the cylinder, are carefully ground to plane surfaces. The cylinder then is crushed in a 200,000-pound Universal testing machine at a speed of 0.1 inch per minute. A small 2-inch spherical bearing block is placed between the moving head of the machine and the specimen. The average of at least two determinations is reported as the crushing strength, calculated in pounds per square inch. Crushing strength tests are made only when specifically requested. INTERPRETATION OF RESULTS OF PHYSICAL TESTS. To interpret the results of the physical tests of road-building rock, the Bhaeen of Public Roads Ae adopted a table of general limiting test values for broken stone for the various types of road construction. For general reference, these limiting values, together with comments upon limits shown, are given in Table 3. By com- aring the results of tests on a sample of rock with the limits shown in the table a general idea of the types of road construction’ for which it is best suited may be obtained. It must be emphasized, however, that these values represent average conditions only. For any given material a number of factors such as type of stone, character. and volume of traffic, and the character of available material will influence the interpretation to be given the results of the tests. Table 4 contains the total number of rock samples received from the various States which have been tested between January 1, 1916, and December 31, 1921. | TABLE 2.—Results of compression tests of rock, made prior to Jan. 1, 1916. ARKANSAS. a SrUBluns Seri : strengt No! Locality. | County. Name. pounds per squareinch. 6331 | Bald Knob.........-. AWIREEG fee eee eae Sandstone sii: ee 19, 860 CONNECTICUT. G79 Al Onecos . . or sh2. es v= - 2 pV nd DAN eee Ps Biotite granite. ........ ee | 16, 635 ILLINOIS. 4422 | Embarras.........-..- Polesie24 235 pe tose Wimestone.<. ¢- 2-2 2-csn-2-4-5-408 | 17,300 5509-|; Fhornton .. bs. 2220 <2 Cooks S355. testes Dolemite. 53 25205 See ee 23, 060 6053 |..... or ae (iT ies eae tg fdas Sestak a Be | 16, 880 Sith yerniliside: 3. to ee in ce Cah ey eas Argillaceous dolomite..........-.. | 15, 730 4660 | Tunnel Hill........... POMWSOMeae. chece esac Sandstone... 4:25 ce eS Sosa 19, 150 7509 | Reevesville.......----|.2-.- doestis tease Argillaceous limestone. ......--.--- 25, 780 (510, ee Ope sie eee oe eee Oe eee See gee ene J ie Te ee ea ee ree 28, 400 4764. | Kankakee..........-- Kankakee ss. s25 5.5 Dolonnte a & so ee BO ose ees 20, 610 Ct i eee GOs ccc book eee LO roksan opto aia es noes athe QOe sirasticc hes oe bet aA eon 17,710 6088 |....- O10 Aaa oe es bore O's. ae ae ee | Argitlaceous dolomite. .-.....-.--- 20, 830 61655 |50-22 Obese RG es ee Os sae os see WOlONNLC oc eens eo tenes 11, 660 G86oneee= = GOR ee BE et Bat ce es Oe See ns | Seas Os Fe Es ae ae esboke se See s 298) 53 LO ee eae GO. ee ee ieee Argillaceous dolomite. ......-....- 25, 850 C299 |e are GORE eee ea. oe seis i Ko ape PN RE Pa LOL. Giese cic lac aise: nee s oe eeee 20, 000 — see PHYSICAL TESTS OF ROAD-BUILDING ROCK. 47 TABLE 2:—Results of compression tests of rock, made prior to Jan. 1, 1916—Continued. 5525 5526 ILLINOIS—Continued. Cruse . strength, Locality. County. Name. pounds per squareinch. Rankakee io: i252. Kankakee 26 272-2... Argillaceous dolomite.........2..- 19, 700 Saute Le aos Ses | oe OL Opa ati Pelee pO MOTEL GO eek See ee et ea 17,050 APSO Nee ee See [aaa (CO) Rene Hepaeeee Argillaceous dolomite............. 16, 700 ANT ONCC EMG coco mao IMA GTSON: sees oo eee IIMESTONG hac toe aes eta 15, 100 Brookville... == 222. -- Fl hey ae Argillaceous dolomite............- 18, 640 Reese See GOte he scene tee toe ae ee Ope So sono a) nce Orn SE Nae toe son ns See 18, 180 ENTER ie se See cine UMNO es) soe ooo Ibimestonere f: . - = 2 snc. . tater 19,510 INDIAN Logansport .........-.- Cass aa een LimStone ses has cee eee oe 20, 350 Greensburg.........-. Decatur en ee DOLOMITE) <2 cia eas eae 17,960 Ss Heid Ber LE em att RN a ea Co oer ae ee a Dimestone veka ees ree es al as 18, 400 Wiest pont pee ee ae LOREEN Seri ce coe Dolomitic limestone............-. 20, 000 Si Pauler te asset te COee eee pee es GO tte en a ce ome 20, 510 cha LO ea ee cys | ee O ane alee eee oee| ATM OSLONG tee create erie ae tenn 19, 800 Mitchellise y= 35356 23% WawEence 2 eres: Argillaceous dolomite............-. 12, 250 WS COMOLd ee. oe asccis- 2 | see Cliente hee eaeae UME STONE S52 Se see nays ween 6, 900 eiinigs Uda Sen gtoe Seema eres 6 Derstrseeeeseg eas cle tee | pes: LO pa amet a4 ec epee anes Semper 6, 450 Greeneastie......--..- PPO UN ATU ay rosea. oecvalls sn eta (OE Ao ae oe eee er Ree 16, 000 CISEOOU Ge ee ee Ripley 2 Jsesso tec sdlee ss Gee a aay ee Se crear oO 14, 470 Wabash soso hook Wabash. . Serer Dolomitic limestone............-. 18,790 IOWA. Cedar Rapids......... EATS ose = eee tees Dolomite limestone.............-. 19, 950 ea Grande: 22.2 222222: INVA Saleen aces as CLOeee aon ae Seep ne anne aie 14, 850 KENTUCKY Prineéetoness = Caldwella fe: Dolomitic limestone...........--- 23, 860 CedarsBluth 2) 232 ee oe: CLOp ree ers ee Argillaceous limestone...........- 25, 720 Limestone...-......-- Carters eee ne ee IRIMeSLONe =. Sapa ene sonra same oes 14, 900 Canter se ee ee ae GOs FOR ae Siliceous limestone..............-- 13, 400 MAINE Swans Island.......... Hancocle tad: cnc ieden Biotiteeranite, . q... cc 18, 400 Vinal Haven.........- KM OKA ee ci GraMil entail apeerer sae 20, 020 SE TGeOrge: s25 a e <0 Kas Se ee on Goss eke Cece 22, 800 \eWinal Haven. .22 5.2. -\./..--- OF ames sie «sl seca C0 (eee SNe en eee er 20, 930 Si GR ORSOes ee. ctias | seo COM aoscmete eee cies GOs coer Seas ae eae Seren Sees 18, 780 = ei Tie a RS SEM CRTs Cvs CaP oe ae + fal Fen SACs fu Reem ne RR Pros™ 17, 150 Ivayiee CN eer Geen eee One ees ey ee rea ace CG Ka ah SPA Gr oe ae pe eu 7, Viniitavems. >. 222 2 2.|52-% RECON rest peers Sa BIOULO STAN Ler 22 ae eee 21, 220 IS fo GRE OEE sae cay ae Cae LO rete er ee ORE a Seer ae arecmee Ate on 27,050 I TAMAOLG soos ee oe sk Wal GOR ye k Sorel Sala ne ORs ee te ae eee 20, 600 MARYLAND. Mount Savage Junc- | Alleghany............. Siliceouslimestone...............-. 34, 930 tion. Hrederick 2:55.20 6 2 INTEGenICks Sasa ea LeMESTONE 2 ars a od Resear 17, 580 Havre de Grace..-.--.. Ftartondetessseese sae Gneissoid granite.............----- 34, 410 i GROMER es oes areminat| oad Omen as teeta oe ein SELICLUC PMOISS Beet ne) os Norio armacate ; Bees CO Bey sc incre eel a LOS ee ere IC a ces A eISSOLG: STAMUGOL Ss Ae ees 21, 670 Ey aie Het cet, | eee One ok ye. -| (ATP RIDOHGE a ts ccd 34° 380 Keke Oe oh ae Ree One, eos 5.) \Gmelssoid pranite. 2.3 n~ sacneee ot 35, 210 shee Ona Sereeeee | ee tonne LS ose lh. 2s Osage. ok ou iSc eee ee Ae 22° 190 48 BULLETIN 1182, U. S. DEPARTMENT OF AGRICULTURE. TABLE 2.—Resulis of compression tests of rock, made prior to Jan. 1, 1916—-Continued. MASSACHUSETTS. Serial Tue eria . strength, No: Locality County Name. pounds per squareinch. 6891: |-Reekport::=.0s5s2 22,370 6892 |..... doe) ioe Hees 23, 610 6893 [....- ree 22, 670 6894 |..... 7 a ease eure ara 21, 600 8796; |. - <2: GOs <2 See SEES 23, 830 5671 | Westfield.............. Hampden Axelng eens « Miarea diabase:=3.22 see see 32, 850 8862 | Westford.............. ace ces a ate Granite fo. teste eens 13, 980 8874 |....- 3 (0 eae Ie Ieee 5 {a ae eae aura et urgs| tans COL Se he Saree ee eres 17,000 (i eae G02228 23 = Ses oto 0 RS ers nay eee 0, Sv eno scsiek se So tec 16, 250 5988 | West Auburn......... Worcester. -..--.-222.- Mica gneiss oss 5 enone eee 21, 950 MICHIGAN 9593 | Calcite 223-5. keneee | Presque isle... ..-.--- | Limestone... 2... .-..--+-acdaeoe | 10,300 MINNESOTA 5524 | SEBCKLONE: 5. Stemne os WHO a 22 5- eee Soe Argillaceous dolomite. ......-....- | 16, 000 MISSOURI 6375 | Rochefort ............- BOGHNes = Sas IbimestOne.. tt es 13, 900 6377 | Sweeney.-..-.-..------ Coopeks=. 5232 ses Argillaceous limestone............- 14, 900 NEW YORK. eS EL) eo Clintons. 22 22e2 255s Plagioelase gneiss... ics. -naasn5 18, 500 Pe oC) eae pera 5 mere amt re| eee GaAs Se Sa Ata yEOX ene PHGISS. <5 oe a 20, 500 1 gl) eee pepe es Pratehossess Sse a. Dolomite BCE Ss tence ae oan 34, 450 Aaa CAMEO nc. Ss accawses ete eae Oe ee ke soos ee Oe Nee Soc ee 29, 050 5872 | Akron Junction......- 1 1 (ce Pane TP ae es Pp a Giierty limestone222 2525+ a5 Osos 16, 700 6056 |....- Capella Gruber ied RGk> 5 ees eet oe oe |e oe CUS a ny ah oe oe ae 31, 180 8577 | Gloversville........... Multon (so. trae ee Biotite BNEISS] . ee corse seta soe 14, 585 4157 | Alexandria Bay....... ee fersOns sate aee as GAN TEC Sore Tine ee NaS ep ei 21, 600 (ore A ee L(A A AC] Seat 1 Oy San Meme eee en Benen Fh Ca eae cy ears ett, SB 26, 180. 8902-2 - 2 COMES ONS ee este een GOLA Sete aseane bs cece GOveh a: 2e eee ee 14, 150 O129 51-22. GO ec eee a ee (3 Xo aaa PO se ote GOs CSR Sos ic Sk ange be oe 14,390 30122: (6 TR ie rn le et Ketel 5 GOERS Pee aman Gneissoid granite.................. 17, 600 PAST |e 282% 3 een eA Cees Goss ae Granite pct i209 oes Pein ee ea 27, 200 OED S| CB) Meee = ee oe Ske re Rockland 4235.52 4- Gabbroitic diabase..............-. 31, 300 TSE (1) Bee eieaeb a ee ee eeeee| BE OT) ie Been eet Siliceous dolomite....-............ 22,200 NEW HAMPSHIRE Balai) MOORE ==. 2. oo Elishoro-22 822 Granites eo Pr a eae 15, 059 9010 |...-.. GOs a Ae done 2S ee Biotite sranite:y 22 ace 16. 640 OOF cho 2 Oe ee ce oe GOS as eae ree bas 5 a ae tie vas i he seer af 14. 870 11 Gael © ara Mees en Se fe ee Cs Cy eae 2 See eh | a GO. coe eee 18, 230 O35 T | Concord. seo 5 ost Merrimack: 23-39-2233 = Granite. oo o2 cekece so eee eee 16, 600 9036 |....- Oxeaee casa asa sie aeisiee O25 sehen. cecal see dO spc Gee ei eee aves seas 13, 420 G37 322 Goes ss es Slee Goan heen eee eee GOs ire ree a ae 13, 900 S810 ||P = eer emer Ree Gos a8. hoe oe 1 C1 ae A ele aR PaaS 15, 100 NORTH CAROLINA. SIG MCLs se Seo cine wee Fors ae OR 2 Geta taent Granites. S20 - S ta eerreee 13, 140 SIOTG a ewes cocoa Fe eee ee Hypersthene gabbro. ..........- aa 11, 880 8682 | Spencer Mountain....- Castor! Retry see Feldspathic quartzite............- 31, 520 S8St i Gastonia nes oe CO nt aes Quatizite: 2he 3 ae eee ee 17, 100 8576 | Mooresville........-..-- Eredelh tsa eae Bioulle eranites 222.2. os. ane see 26, 000 FS 7834 BUCS Bee oe nes Uae MeDowelles 2 SaMStSOHG? = soto on. cae e tacos 22, 600 1 Exact locality not known. v.72 Om PHYSICAL TESTS OF ROAD-BUILDING ROCK. 49 TABLE 2.—Resulis of compression tests of rock, made prior to Jan. 1, 1916—Continued. / NORTH CAROLINA—Continued. ae i - strength Sar Locality County Name ponder squareinch. GNIS te WHISGIE scces cut sse te Walsorne Peg Sse 2 ds Granitennees:. so=2sse5-seee eno 16, 070 HUAST|EStACCYin s 2.25-555b 2222) Rockingham ..-.--.-.-.. Granite gneiss....:..---:---------- 23, 220 5496 | Samsbury......------- ROWal feo o22 522s Granites) New. fs: szessasccsoseeee 33, 750 607A: | BOsbic: 2:22.65 25 3S Rutherford......-.-.-- Biotite gneiss. . .=-=2-2-2-2-------= 16, 100 5497 | Mount Airy.........:- SUETY); = Vanes ses2 8 22526 Granite feo losis sade ss2ss seek 18, 400 WATS! Verwe'n3 dO fans iss soseets|oete Oo ere iee fd Hawes Sacre GO. Be ec casarecresdd ye 15, 200 BO0E: |= 2 GGse sss seas f2s. sales Go.-OP tel eedsssliees QO aressas ose ee 5, 100 9048 |..-.- DOs pec see svass zt abet GoM ses ese sees BOs Oe gs Seas ata a eee 16, 440 8419 | Granita (near). -.....-- Wake: soeie.ss52282522 ‘Biotite granite. : +: 24 -:<52.525-5-2- 14, 160 3807 FAS@w cosets oe oo eet Warrens oo? eos: 22232 Granitet2 4 is ssc ce 18, 240 3808: |-.-.- 0.42.22 5-2 eee Oe BFS sess ee Oe as s252 ooh sel ses saseaaseee 18, 569 ate: |G) raed ssocssccesesse Vaneey:- sss 2422 Quartzite ss i2e 2s 42 soo See eae 12, 900 ‘| OHIO AGQ4= |S} OsSborme======--2-- 22. Clarkes nce ees Dolomitic limestone............... 8, 690 4695nte Sprinstield--- 5225-2 52|---- GOs... gatsteee Dolomite ss. ese ses os Se eisease 18, 969 9282 | Cleveland...........-- Cuyahogars-2-44----— Granites. sson-. ses eae esse cee 31, 790 7.5 Le epiiesent ata ay eae Cee Or ic etic eee saxtevcssimousdeees 27, 990 O984 |. 3 Org eas Sarah cays 6 Fo Regi eae See eae WO. pee inte cb oan oer ee jemeae 24, 790 9285 |....- PGssosssennss< 258 ee donee se stecee aaea ence Caren eee ae eee aes 26, 990 9459 j....- CC eee ae CO Ke pm St Bee A ad aca a hee Sere ee el eae eae Re 24, 900 4378 | Sandusky.....-..-.--- eB TiOlssceee ees sores TiMeStONE= kes ses ssles se eee 19, 400 5554 |-.--- COE ionic Shoe ieee GO a as Nee (6 Co Yee rss aiepry Sweetheart sens 21, 850 ipo OAasbaliaae eee ae sel Sosa MOG etic eye es Dolomitic limestone........--.-.-- 18, 530 GODSNE aso OG Se a ee eee 5 eee peers WO. REI e St- LATMESTONG 2). Sowa me has ewes Noes 20, 810 5505 | Marble Cliff........... (Branislins: 2s oo cee sale ae ee GO Pe es Vc ae ae ee 16, 750 HO0G) eee WOnt note ese se oe loe eas 0 Ko ae a Ree pa 5 KG PR es A Rae ee ean 12, 350 BoHSOr COMM DUS: 225... < oa sof cee = Goss G280e-b as: Ferrugineous sandstone. ....-...-- 21, 800 AGGS | Pattersom.°-..-.+.-.-- Hardin. = 5. ocsee Dolonnte 2UtE ©, Se eee ere ene 11, 360 ie NO DUMKITK 2. 2a. ee |te one Co Ke ae ROIS MUIR | Fares Co (a att ees Rea Arg = 26, 200 A(Oe |) Hillsboro... ....-—.2S-- Highland. Sick cee ene Cherty limestones ee sie eae 15, 590 8347 | Clarksfield..........-- PRUPOR sae (ke as Calcareous sandstone..-....-.---.:- 9, 490 4656 | Big Springs.-.--.....-- hogansesessscsslnteaes Argillaceous limestone. ..........- 16, 380 6054) =Vilean=s-ssc- 5 - Sess HCAS es ee oe Siliceous limestone..........---..-- 25, 480 GO5ee ee olland cc see See Ie ee dO ae sen Reset Argillaceous limestone. .-.......-. 19, 430 8402 | Toledo, 10 miles west ore: 6 A a ciate Diolemias coerce fee 11, 600 6052 | White Rock...........| ECO) bey rei ee eee cee Cs (; SARC Sent i oe 16, 629 5556 | Bloomville......-...-- | Se@uecas teases Sh eae se IbIIMESTONE gates ase eis ses oe ee 20, 250 5555 | Middleport.......-.-.- Pp Wane Wertovess 32223: Dolomnterse. 4522s 5255s 25, 200 OKLAHOMA seul GraMl LO wae a) ya aes Ss Greer! : saris Sein ee (VAMC Se oe. asec see eee yoe eee | 18, C00 PENNSYLVANIA. 5602 | Hyndman-...--:-.... iRediord= ser ne Impurelimestone...............-. 24, 150 han | ee Ge a ee Se eee CLO ae) tanta te Siliceous limestone...............-. 21, 860 5632 | Birdsboro............- IB CtKS = Seis 2 Be me Altered Giabasess= 3. es see 39, 215 S24 | Jumiatase: 22 oe2 2522. 18 CS 9p ge i _pepaeecee)— aaeapaee Argillaceous limestone... .......... 15, 480 PCAC) ee ee Nee. asec] an GOR ar Sere syle COE ascent cece See saee 20, 880 pore MELazane & sete CArOH aes eee ee iBlasi-fhumnace|slagen ses) nes eee 9, 000 P/E AOS) Yee Bei ea ah Meter en Chestersee as ee aes Pyroxene quartzite... .... 2/22 4. 31, 800 Cy ten a eel LAY Se Rl aU CORR hig ea ies Se IMI CRISCHISE Sree taps ee pees 23, 500 OSS HU) JS aS ES ec ee Se DOR co CE ape ly Scenes PNR DOr ee einen soak he sonia See 23, 900 ie) OAlONAes << 22~- =~ = Clmtone open 2 eee Argillaceous limestone...........- 18,710 TEDUE S|) RR el OSS alee eee Wan hinges Siliceous limestone-.............-- 26, 500 23122. | ken caer eg eRe ee PPE GLa Betas Morpeth Sapeaeae eIMeSTONE=, paso * Sessa sa sae ee 8, 510 1 iy Ae sel i ea (re LOK Spates 5. Dewars Danae 0 Ka eater wis ae Rel ea ei 19, 250 ens (GD ae 2 ples a ne acne! apes Ota on ee ih ea Siliceous\d olomte: 22-22 -satee 9, 640 ShEEA TEC GOR Sa Dele elle 1) Cpa maha 5, Re aaa Ferruginous sandstone. ........... 14, 150 5771 | Indian Creek Station..| Fayette............... Calcareous sandstone............-- 37, 740 BU eee Welles = his aes WOMs ee ae fhcccuee HIMES TONG ae wc cos cee cece ce oe wee 13, 450 1 Exact locality not known. 30 BULLETIN 1132, U. S&S DEPARTMENT OF AGRICULTURE. TABLE 2.—Results of compression tests of rock, made prior to Jan. 1, 1916—Continued. PENNSYLVANIA—Continued. ear yee eria. . strength, x Locality County Name pounds per squareinch. 9347 | Connellsville.......... Bedtonditevetiastc es Impure limestone. 2.20) 55 eee 26, 050 5604 | Water Street.......... Huntingdon.......... Feldspathic sandstone............ 22, 330 Boat WaANORd eso 2) 4 kee Lawrenteenee tp so 465 5. Limestonesy. 2.4422. fesg. eee 27, 500 6153 | Porter Township...... Lycoming............. Argillaceous limestone..........-. 28, 580 6154 |..... CO ee aL oes dO esas Gi Gsce alee GOS serie iss goo ea ease ae 26, 860 6155.) 2238 Oe oe a Sa ees Oe ae ic eign | ee Oa e Sion aoa aa ee 18,610 6156 |....- Cosette sie See Ss GORE ee ance eine eens C6 Kaye cepa piu re areal. 22, 930 CANE fan toe do Wa Ne ee Nee Sf eee dOrgche (oe daa Limestone: 254352 see ee re 21, 900 GISSr oe 2d Oe aoe ee ie | ae ee DOs t eee do. ise ein DO patel YI ho oa Se ae 14, 160 7980 | Port INGisenen Se ee MeKeanesa ies a4. Feldspathie sandstone...........- 9, 680 COUGAR (QU) YB i SE le De ita! (CB ee i ee Ferruginous sandstone. ........... 12, 130 BUS HC Sas cael conre ce tee nice GL ee a OC ng RC a dotcene Se eS 14, 000 BU aa Ne ete ee ese are Ue arb aioe ieee re ae a MO keicuts eae eM NVR S AOE 12, 480 3243 | Mespadden ......-.... Somersetisceesenz7-e- Sandstomeserie ot ee eae 26, 900 5830] Prompton...........-- VV enV: TIe eis crn acces ek Feldspathic sandstone............ 26, 340 5605 | Blairsville intersection | Westmoreland........ Siliceous limestone...............2 32, 560 7428 (0) le osc We ny tote One cteerocon oe oe Dolomiti¢e marbles... oe aes 27, 400 RHODE ISLAND 8867 | Westerly.............- Washington........... Granite soe eee oo Oe oat 11, 740 8868 |....- Oe ere sates DO seRyew Sue we se |eaees Co KE ee ae ae sis 20, 300 8869 |....- SU ea ean a eT He es CO ay ss ape Oe a re ci dQ2s ete 4 OTe eee 20, 750 SOUTH CAROLINA 8389 | Williamstown.......-. ATIdersOnie ok iscrees Granites!) eiis52 Fs sso ee 12,990 SoOSs MTOM Nae Seance tae Hairfield ii: iscccaaesex Gorse TRA sso Sees ee 29) 180 5586a |....- DOs oct esse ecken GO Seee sous ss slSee es 0-2 Crea an ss Sa eek oe tian 25,790 5586) |....- Owes tein ot ROE Oe soe leas 2 CO a Oe Re eRe erie nm sariet’ 19, 240 5586C |...-- Oboe sierra 3 ho Pk ea ge eer ee | chee C0 OS a re ee ages CG Lr, 33, 880 TENNESSEE OGG | QUIAnTyen sake ees se Cartersscgtare at ose. Limestone sis. 25. en cee 22 TOL 5002 | Straw Plains....-.-... Je@HersOWec sso oteae = alae CO serie win os chine tae ck ee eee 21, 730 5504 |....- dose soe es See ices One reet emer Soe a OSS eect er cca eer omer 28, 340 5903 e525 (Go) sai ceetssie a Sees eee bercievens (oo ee Beier ees ah DolOmiLe. 523: neces ce one eee 38, 070 6533 | Knoxville.........-.-. KNOX acs ene oes seo Marblesics ao 5.36 cosine eo eae ene 17, 970 VERMONT 5543 | East Wallingford...... Rutlandere sacs c aos. Altered diabases. i. s-cec sce coceee 16, 800 8853 BRC ee Ae ee Washington..........- Granite code osest eee 19, 560 VIRGINIA 8804-| Albert: ....-.22.22.2- eu fords eee eee Granite gneiss Si Seer eee es Uicacae NS 13, 820 GUO Meee Oe eee Dinwiddie.....:.-.--- GUADIG Sa Ge ee See a ee 13, 150 4900A | Broad Run Haugquiens: ates QUATEZ ee ORT ie sateen Gum enlares 28, 400 4900B |..-... GLOBE Homie Reese Syed Choe ae ana DIG OSIbG eee N Sate ee ee eee 28, 000 5923:| Strathmore. :-.-...--- IMO ES Gets Sod Noge Chlorite epidote schist...........-- 13, 210 5678 | Eggleston (near)....-.| Giles...........-.----- Dolomiiteue see oe eee eau sare 45, 690 5924 | Boscobel......---...-- Goochland...-...-..-- Gramileremeissiae see a2 ee eer 13, 550 6615 | Korah Station. .......| Henrico..............- Biotite granite... .--22. 220.22... 20, 300 5925 | Greenway.........-..- INelsomen et anon esse Feldspathic quartzite...........-- 16, 500 5492 | Nokesville..........-- Prince William........| Ferruginous sandstone........--..- 17, 780 5920 | Greenlee.............- Rockbridge.........-- Dolomitic marble................- 36, 900 5382 | Bluff Water Station... Rockingham Hpi ea a imestonen ses oo esse occ oe canes 21, 450 ates) eee GSE eR GOwT SoS ete ee ae GOS cme ee cert oe cae ag 40, 850 BYRD \ctshicy Leta D LS oes ere Russellets cae see eed ees GOs. sere SE a See es 17, 600 7217 | Burkes Garden.......- Tazewell. ese aes Dolomitic sandstone. ............. 21, 500 1 Exact locality not known. PHYSICAL TESTS OF ROAD-BUILDING ROCK. 51 TasB_e 2:—Results of compression tests of rock, made prior to Jan. 1, 1916—Continued. WEST VIRGINIA. czushine Serial . strength, = Locality. County. Name. pounds per squareinch. SGN MCE REO naa. cree- oreo eters Berkeley: : =2£2-.5:522:: Pimestones sss se ccc sn eee 23, 350 Leh lym el B23) 0 So) eee ee Greenbrier = 532 23:2... Crystalline limestone....-.--.-..-- 21, 300 EES BETA ZI CL en pe vapors Ss xs Oe ee eee eel Me mo ibimestoner war tc2a ces. es eee 17, 450 5919 | Snow Flace...........|...-- Ch Oa SRIEATRBEE Sec lea LOK cerns Ns ee een ance 13, 550 7475 | Green Spring (east of).| Hampshire............ Siliceous limestone..............-. 34, 400 GACOH| ese BOY Sess tcc eens peeeee CO oe: Quartzitese Veale cee he eee 15, 050 6109 | Spring Hill............ Kanawha fhe. SANAStON Cras ee ee 12, 400 MSA wainmont 2s wc ce cee es Marion. Soh tee or Sees CORP eee 5, 420 9133) |2cc GES 3. bok SEC relent. ee Reel ee CO ee ae un a POE 5, 720 9134 |.._-.- DOSos cece cctescsgel arses COtnas So TREE eee COR eR are see eeee 6, 080 5610 } Sturgisson.-......-.-- Mononealia® 22-22-22 Siliceous limestone ..--...-..-.---. 22, 440 5612> |= == 5= MO oeee ce nates oc. er GORARE 5 85 ea WGimMeStOMe? Sie oe aos ee ee 17,910 BOlo een a. ONS Sem Ee areas eee GOSS Ose yee Argillaceous limestone...........- 4,300 5614 | 5. Ol ae ae eee eee GOs eee See Calcareous sandstone..........--.- 29; 840 GIS ers oe OO sree ane Sarena cis GOS es os ees impure timeston@=----2-2- ae 19, 650 DOLGE eee C0 (ie Se eee eae eae Ones Aone Argillaceous limestone. .......-..- 24, 850 8447 | Parkersburg ..-....---- IWiOGH es sae cere ask Feidspathic sandstone. ....-.....- 11,910 WISCONSIN. Bolen EeD DIGS ssi-cn8 so oscss oe Fond du Lac.......... TD OlOMIIGe Se see Sse nee Sane ee 32, 600 SAU PATEDOL ES 56 S55 22 ces 3 Marinettec: 25-2555... Biotiteonranitesspeseeneee nee 20, 000 86560}. Lannon= 22.2. -22----- Waukesha: 22-22 5-222 Dolomitess: 5520 5a.0 22s aoe eaee seco 23, 020 TABLE 3.—General limiting test values. French Type of construction. coefficient | Toughness. of wear. Water-bound macadam...... GOV OVCE=s| os s-2 05252 Bituminous macadam........| 7 or over. .|........-. Bituminous concrete......... 8 or over. .| 8 or over. Cement concrete. ..........-- WAOEAONED = = |e Sc aee : Water-bound base course.....| 5 or Over. .|........-- Granites, gneisses, schists, sandstones, and quartzites should not, in general, be used in the wearing course of water-bound macadam Shales and slates should roads. never be used in this connection. For further details and explanation of results in this table and also for tests on all materials to January 1, 1916, see U. S. Depart- ment of Agriculture Bulletin 370. TABLE 4.—Geographical distribution of samples tested from January 1, 1916, to January 1, 1922. Number | : Number State. ofsam- || State. of sam- ples pies. i DDE es Ce ee 1 nig es eo eee ese sition 21 WMBUZAN Cee Meer AE ye et ete GSI a 6 o¥ bres Woe Pegler ee PES ak ae 45 2 CLUS See eee ee Beh PLOW otras ore sins Scam ee sero «ee 6 DEMON seat SO Bra) | SCAT SERS tae Ned ai hee a a ere ee aS 27 Lo Se Sn LGN} IMO DUC Kats 2. ae oe See ork ee 23 ROHN EGCMEUb ao tps se eas. oo cc as ccen DiS TO UaS Lea Teas eon per ge eee oe 3 ES Ls ang a ce PU a Cie ep Sees ey Oe soe eee 46 District of Columbia..................-. PAN Peis CN era Goce te Ree RE AE Pee Sones 44 (ESS: SARS a ee 2): || PMASSACBUSOUESS. .po seeenerisee -aceewioeens 127 ECU EP AR eter eine tacks sce ects euaseese a ISIS) |; Michigans eSer tose Cretan. cacttinwmetcs 21 REE oats Sisto coe nics clan wien weenie leitaras 2 NoMann ésotacin cs sonic cas eecee oes care jmoewes 8 52 BULLETIN 1132, U. S. DEPARTMENT OF AGRICULTURE. TaBLE 4.—Geographical distribution of samples tested from January 1, 1916, to January 1, 1922—Continued. Number | State. oi sam- State. ples | i 1 Sars Meee eee OR ey 6 || South Dakota. ................-.--2--0-- 17 MISSOUER ee eee. See ee es er 1G" || @Benniessee ass 2 sate oe es oe ees 36 MOTI LAT Ree a oe oe ee ee 9. |) Wexas : one 23 WEWAICISey eer soca ese ne canes 21 i) Virgima. 23 -. S260. eee ree 254 WemrWGxicen oso ee 7 || Washington... 232": s5. <5) © eee ae 4 Mie ork seer eee ee ee 43° 1) West: Virginia. 5a) ee ee 96 WEE Oarolings oo soos coe ee 93°) (WiSCONSHs 4-8-3. 2. ee ee 28 OLE Re A RE a ic erp aan 123-|| "Canada® - fin 38.25".2. os Se ees 18 Oklahoma...... i 3s Bape hing adverts bes ales AR 33 || Dominican Republic. .....:.....2..2...- 7 Preece es See 27 Haiti es. en ee ee 4 PERN SYhuailitae Con Iso ee ae ne ee 75 || Es OT Ga Gea tn apt a 6 || Totaly «20. 2002-8 See 1, 672 SERERG PEROT OULD Strato tat ee ee | 19 || ADDITIONAL COPIES ° OF THIS PUBLICATION MAY BE PROCURED FROM THE SUPERINTENDENT OF DOCUMENTS GOVERNMENT PRINTING OFFICE WASHINGTON, D. C. AT 10 CENTS PER COPY PURCHASER AGREES NOT TO RESELL OR DISTRIBUTE THIS COPY FOR PROFIT.—PUB. RES. 57, APPROVED MAY 11, 1922 A [a Aes F mn - * x D ‘ : i '