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TECHNICAL

Bureau of Land Management

NOTE

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Mailing List 2

Filing Code 3800

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Dote Issued June

1970

U.S. DEPARTMENT OF THE INTERIOR

Subjects :

Small Mines,
Small Mines,

Prospecting, Exploration,

Costs) C.W'*' WTd]

Deve lopment

Selected References:

1. California Division of Mines, 11 Mineral Information Service 12,
December 1958, "Prospecting, Exploring and Developing the Small
Mine."

2. Krumlauf, H. E., "Exploration Costs of Small Mines," Pay Dirt,
August 1960. Reprinted in 13 Mineral Information Service 12,
December 1960. Includes a chart showing break even ore values
for small mines ($16.00 per ton; $12.00 per ton mining cost;
$4.00 per ton miscellaneous costs).

3. Krumlauf, H. E., "Report on Arizona’s Small Mines," Pay Dirt,
February 17, 1967. Gives charts which compare following in¬
formation in 1935, 1950 and 1965: Cost of labor per shift,
cost of supplies (timber, rails and powder) for mines, metal
prices and cost of driving a 5’ x 7’ drift.

4. Von Bernewitz, M. W. , revised by Chellson, Harry C., Handbook
for Prospectors and Operators of Small Mines, 4th Edition,

1969, McGraw-Hill Book Company, 330 West 42nd Street, New York,
New York 10036, 529 pages, paperbound $6.95 (AIME members
$5.84).

5. Welch, Reed F., "Is there Still a Place for the Small Mine
Operator?," Mining Congress Journal, November 1965. A general
discussion.

6. Staley, W. W. , "Prospecting and Developing a Small Mine,"
Bulletin 20, Idaho Bureau of Mines and Geology, Moscow, Idaho,
$1.00.

7. Montana Bureau of Mines and Geology, May 1964, Handbook for
Small Mining Enterprises in Montana, Bulletin 39, 220 pages.

FOR ADDITIONAL COPIES WRITE TO DIRECTOR, PORTLAND SERVICE CENTER, BOX 3861, PORTLAND, ORE., 97208

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