Author
Reed, John Calvin, 1905-1993
2 results
Shenon, Philip J. (Philip John), 1897-1966
2 results
American Institute of Mining and Metallurgical Engineers
1 results
Emigh, G. Donald (George Donald)
1 results
Geological Survey (U.S.)
1 results
Gray, Henry, 1825-1861
1 results
Jones, Serene, 1959-
1 results
Schmidt, Richard H., 1944-
1 results
Smith, J. Calvin (John Calvin)
1 results
Standring, Susan
1 results
Wells, H. G. (Herbert George), 1866-1946
1 results