Author
Pennsylvania. Bureau of Topographic and Geologic Survey
Geological Survey (U.S.)
25 results
Geological Survey (U.S.). Water Resources Division
19 results
Epstein, Jack Burton, 1935-
7 results
Pennsylvania. Department of Conservation and Natural Resources
6 results
Taylor, Larry E. (Larry Eugene)
5 results
Berg, Thomas M.
4 results
Inners, Jon D.
4 results
McElroy, Thomas A.
4 results
Newport, Thomas Gwyn, 1922-
4 results
Schiner, George R., 1926-
4 results
Sevon, William D.
4 results
Skema, Viktoras W.
4 results
Dolimpio, James H.
3 results
Faill, Rodger T.
3 results
Gallaher, John T., 1921-
3 results
Glover, Albert D.
3 results
Kimmel, Grant E.
3 results
Pennsylvania. Bureau of State Parks
3 results
Poth, Charles W.
3 results
Schweinfurth, Stanley P.
3 results
Susquehanna River Basin Commission
3 results
Williams and Heintz Map Corporation
3 results
Wilshusen, John P.
3 results
Wood, Charles R.
3 results
Becher, Albert E.
2 results
Braun, Duane D.
2 results
Burton, William C. (William Chapin), 1952-
2 results
Conger, Randall W.
2 results
Geyer, Alan R.
2 results
Harper, John A.
2 results
Hippe, Daniel J.
2 results
Lloyd, Orville B.
2 results
Low, Dennis J. (Dennis James)
2 results
Lytle, William S.
2 results
Lyttle, Peter T.
2 results
Pennsylvania. Bureau of Radiation Protection
2 results
Pennsylvania. Department of Environmental Resources
2 results
Pennsylvania. Office of Parks and Forestry
2 results
Ratcliffe, Nicholas M. (Nicholas Morley), 1938-
2 results
Roen, John B.
2 results
Root, Samuel I.
2 results
Senior, Lisa A.
2 results
Sholes, Mark A.
2 results
United States. Bureau of Mines
2 results
Vogel, Karen L.
2 results
Way, John H.
2 results
Werkheiser, William H.
2 results
Yannacci, Dawna
2 results
Abel, Robin
1 results
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