Proceedings of the Second Symposium on the Geology of Rocky Mountain Coal, 1977 Helen E. Hodgson Published: 1978 Total Pages: 242 Get eBook
Placer Gold Sampling in and Near the Chugach National Forest, Alaska Robert B. Hoekzema Published: 1986 Total Pages: 600 Get eBook
Engineering Geology Applied to the Design and Operation of Underground Coal Mines C. Richard Dunrud Published: 1998 Total Pages: 140 Get eBook
Procedures Recommended for Overburden and Hydrologic Studies of Surface Mines James Barrett Published: 1980 Total Pages: 120 Get eBook
Grassland and shrubland habitat types of western Montana W. F. Mueggler Published: 1980 Total Pages: 968 Get eBook
USDA Forest Service General Technical Report INT. Intermountain Forest and Range Experiment Station (Ogden, Utah) Published: 1979 Total Pages: 904 Get eBook