Author
United States. Bureau of Mines
United States. Bureau of Mines. Branch of Data Collection and Coordination
75 results
Geological Survey (U.S.)
50 results
United States. Branch of Industrial Minerals
47 results
United States. Bureau of Mines. Branch of Metals
33 results
United States. Bureau of Mines. Division of Industrial Minerals
22 results
United States. Bureau of Mines. Branch of Ferrous Metals
21 results
United States. Bureau of Mines. Branch of Nonferrous Metals
13 results
United States. Bureau of Mines. Division of Ferrous Metals
5 results
United States. Bureau of Mines. Section of Ferrous Metals
3 results
Illinois State Geological Survey
2 results
United States. Bureau of Mines. Industrial Minerals Data
2 results
United States. Energy Information Administration
2 results
United States. Mine Safety and Health Administration
2 results
United States. Mining Enforcement and Safety Administration
2 results
Delaware Geological Survey
1 results
Geological Survey (U.S.). Data Collection and Coordination Section
1 results
Geological Survey (U.S.). Metals Section
1 results
Hawaii. Department of Land and Natural Resources
1 results
Indiana. Geological Survey
1 results
Iowa Geological Survey
1 results
Louisiana Geological Survey
1 results
Maryland Geological Survey
1 results
Minnesota. Department of Natural Resources
1 results
Mississippi. Bureau of Geology and Energy Resources
1 results
Nebraska Geological Survey
1 results
Nevada Bureau of Mines and Geology
1 results
North Carolina. Department of Natural Resources and Community Development
1 results
Oklahoma Geological Survey
1 results
Oregon. Department of Geology and Mineral Industries
1 results
Pennsylvania. Department of Environmental Resources
1 results
Tennessee. Department of Conservation
1 results
United States. Bureau of Mines. Branch of Data and Collection and Coordination
1 results
United States. Bureau of Mines. Coal Division
1 results
United States. Bureau of Mines. Division of Nonferrous Metals
1 results
United States. Bureau of Mines. Division of Nonmetallic Minerals
1 results
United States. Bureau of Mines. Office of Public Information
1 results
United States. Department of the Interior
1 results
United States. Energy Information Administration. International Statistics Division
1 results
University of Illinois at Urbana-Champaign. Engineering Experiment Station
1 results
University of Utah. State School of Mines
1 results
Utah Engineering Experiment Station
1 results
Utah Engineering Experiment Station. Department of Metallurgical Research
1 results
Utah Geological and Mineral Survey
1 results
Wisconsin Geological and Natural History Survey
1 results