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Subject
- Maps[remove]21
- Digital mapping4
- Administrative and political divisions3
- Geology2
- Maps, Topographic2
- Water-supply2
- Atlases on microfilm1
- Bibliography1
- Books on microfilm1
- Catalogs1
- History, Local1
- Index1
- Iroquois Indians1
- Land tenure1
- Landowners1
- Pennsylvania Historical and Museum Commission1
- Pennsylvania Historical and Museum Commission. Division of Archives and Manuscripts1
- Pennsylvania State University. Libraries1
- Pennsylvania. Board of Canal Commissioners1
- Real property1