|
I 53.20:76
|
Evaluation, economic life : evaluation, property life |
1 |
|
I 53.20:77
|
Industrial minerals of 1969 : their status, challenge and future |
1 |
|
I 53.20:78
|
Deep well disposal of liquid wastes : subsurface disposal of liquid wastes |
1 |
|
I 53.20:79
|
Project size, new mining venture |
1 |
|
I 53.20:80
|
Mining costs, related costs, construction costs, equipment costs |
1 |
|
I 53.20:81
|
Classification of mineral reserves and resources : energy resources |
1 |
|
I 53.20:82
|
Minerals policy, secretary's report : minerals in the economy, reserves, demand-supply projections 1985-2000, industry problems, opportunities-recommendations, mineral commodity profiles, energy and fossil fuels |
1 |
|
I 53.20:83
|
Acid mine drainage, prevention and control : acid mine water, prevention and control : coal, acid mine water : water pollution, acid mine drainage |
1 |
|
I 53.20:84
|
Acid mine drainage, strip mine, control : acid mine water, strip mine, control : water pollution, acid mine drainage, control : coal, surface (strip) mining, reclamation : reclamation, coal, strip mine |
1 |
|
I 53.20:85
|
Blasting, effect of weather conditions : noise pollution : pollution noise, blasting |
1 |
|
I 53.20:86
|
Reclamation of mined-lands |
1 |
|
I 53.20:87
|
Annotated bibliography of reclamation literature pertaining to western U.S. |
1 |
|
I 53.20:88
|
Gas reserves, potential : U.S. by regions |
1 |
|
I 53.20:89
|
Oil and gas leasing, forms |
1 |
|
I 53.20:90
|
Oil and gas leasing, leasing study, PLLRC : PLLRC, oil and gas leasing study |
1 |
|
I 53.20:91
|
Oil and gas leasing, OCS, joint bidding : oil and gas leasing, OCS, bidding analysis : oil and gas leasing, onshore (upland), bidding analysis (Colorado) |
1 |
|
I 53.20:92
|
Oil and gas leasing, state systems : oil and gas leasing, Canadian province system |
1 |
|
I 53.20:95
|
Selected publications relating to oil and gas development and environmental problems associated therewith |
1 |
|
I 53.20:96
|
Transportation costs, coking coal, unit train |
1 |
|
I 53.20:97
|
Selected references on coal, particularly western coal |
1 |