|
I 28.27:8370
|
Study of the silver potential, Creede District, Mineral County, Colo |
1 |
|
I 28.27:8374
|
An engineering and economic study of a gold mining operation |
1 |
|
I 28.27:8381
|
Mineral transportation costs in the Pacific Northwest : methodology and application of a statistical analysis |
1 |
|
I 28.27:8383
|
Magnetic susceptibility of copper-, lead-, and zinc-bearing minerals |
1 |
|
I 28.27:8384
|
An energy model for the United States : featuring energy balances for the years 1947 to 1965 and projections and forecasts to the years 1980 and 2000 |
1 |
|
I 28.27:8389
|
Injury experience in coal mining, 1965 : analysis of mine safety factors, related employment, and production data |
1 |
|
I 28.27:8392
|
Horizontal boring technology: a state-of-the-art study |
1 |
|
I 28.27:8394
|
Copper hydrometallurgy : a review and outlook |
1 |
|
I 28.27:8396
|
Prospecting and exploring for radioactive minerals: supplement to facts concerning uranium exploration and production |
1 |
|
I 28.27:8397
|
Bureau of Mines research on the analysis of high-purity tungsten |
1 |
|
I 28.27:8404
|
Waste disposal costs of a Florida phosphate operation |
1 |
|
I 28.27:8407
|
Dust control in mining, tunneling and quarrying in the United States, 1961 through 1967 |
1 |
|
I 28.27:8410
|
Design of dams for mill tailings |
1 |
|
I 28.27:8413
|
Radiation-ventilation relationships in six underground uranium mines |
1 |
|
I 28.27:8414
|
A method of measuring the cost and benefits of applied research, by John W. Sprague |
1 |
|
I 28.27:8415
|
Bibliography of investment and operating costs for chemical and petroleum plants, January-December 1968 |
1 |
|
I 28.27:8418
|
A statistical analysis of U.S. demand for phosphate rock, potash, and nitrogen |
1 |
|
I 28.27:8419
|
Injury experience in coal mining, 1966 : analysis of mine safety factors, related employment, and production data |
1 |
|
I 28.27:8422
|
Mineral resource valuation for public policy |
1 |
|
I 28.27:8423
|
A general computer program for solving nonlinear regression problems |
1 |