Author
Geological Survey (U.S.)
19 results
Kentucky Geological Survey
19 results
Klemic, Harry, 1920-
5 results
Kehn, Thomas M.
3 results
Ulrich, George E.
3 results
Nelson, Willis H. (Willis Howard), 1920-2010
2 results
Palmer, James Edward
2 results
Trace, Robert Denny, 1917-
2 results
Glazier, Jack
1 results
Hansen, Dan E.
1 results
Klemic, Harry
1 results
Miller, Thomas P., 1938-
1 results
Moore, Samuel L.
1 results
Seeland, David A.
1 results
Tennessee Valley Authority
1 results
United States. Bureau of Labor Statistics
1 results
United States. National Transportation Safety Board
1 results