- CommunityCartography5
- Geographic Data Technology, Inc. (GDT)5
- Halcrow Group Limited5
- Regional Planning Federation of the Philadelphia Tri-State District, compiler, cartographer, issuing body.5
- United States. Geological Survey4
- EROS Data Center3
- Fry, Joshua, 1700 (ca.)-17543
- Gap Analysis Program (U.S.)3
- Godt, Jonathan W.3
- Robert Sayer and John Bennett (Firm)3
- Scull, Nicholas, 1686?-1761?3
- United States Coast Survey.3
- ESRI2
- Fox, David A. (David Alan)2
- Lake, D. J.2
- Lotter, Tobias Conrad, 1717-17772
- Lytle, William S.2
- Marshall Penn-York Co.2
- Rickard, Lawrence V.2
- Seutter, Matthaeus, 1678-17562