Author
Vermont
Massachusetts
33 results
New York (State)
32 results
New Jersey
27 results
Maryland
25 results
Maine
24 results
New Hampshire
24 results
Pennsylvania
24 results
West Virginia
24 results
Connecticut
23 results
Virginia
22 results
Delaware
15 results
Wells, J. V. B.
14 results
Rhode Island
13 results
Grover, Nathan Clifford, 1868-1956
9 results
Ohio
5 results
Paulsen, Carl G.
5 results
Illinois
4 results
Wisconsin
4 results
Indiana
3 results
Michigan
3 results
Alabama
2 results
District of Columbia
2 results
Florida
2 results
Geological Survey (U.S.). Office of Surface Water
2 results
Geological Survey (U.S.). Surface Water Branch
2 results
Georgia
2 results
Hendricks, E. L. (Ernest LeRoy), 1909-
2 results
Louisiana
2 results
North Carolina
2 results
Parker, Glenn L. (Glenn Lane), 1884-
2 results
South Carolina
2 results
Minnesota
1 results
Mississippi
1 results
United States. Department of the Interior
1 results
Wenzel, L. K. (Leland Keith), 1908-1992
1 results