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Publisher
- National Geospatial-Intelligence Agency28
- Geological Survey (U.S.)7
- Geological Survey Division (Urbana, Ill.)6
- Army Map Service4
- Central National Bank1
- Mangum & Josephine Weeks (Alexandria)1
- Survey of India; India1
- The Survey (Washington D.C.)1
- United States Geological Survey1
- W.A. Fisher Co. ; Virginia, Minnesota 19441