Author
Geological Survey (U.S.)
10
Chester County Water Resources Authority
4
Reif, Andrew G.
4
Pennsylvania. Department of Environmental Protection
2
United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Public Buildings and Grounds
2
United States. Environmental Protection Agency
2
Conger, Randall W.
1
Dauphin County Conservation District (Pa.)
1
Galeone, Daniel G.
1
Langland, Michael J.
1
Low, Dennis J.
1
Powells and Armstrong Creeks Watershed Association (Dauphin County, Pa.)
1
Rayburn, Ella Sue
1
Reed, Lloyd A.
1
Sloto, Ronald A.
1
Small, Sally
1
Stuckey, Marla H.
1
United States. Congress. House. Committee on Agriculture
1
United States. Congress. House. Committee on Veterans' Affairs. Subcommittee on Hospitals and Health Care
1
United States. Congress. House. Committee on Veterans' Affairs. Subcommittee on Housing and Memorial Affairs
1
United States. Congress. House. Committee on Veterans' Affairs. Subcommittee on Oversight and Investigations
1
United States. National Archives and Records Administration. National Archives at Philadelphia
1
United States. National Park Service
1
Unrau, Harlan D.
1