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- Geological Survey (U.S.)4
- Berthrong, I. P3
- United States. Army Map Service3
- United States. Department of Agriculture. Division of Publications2
- United States. General Land Office2
- Winship, W. W2
- Freyhold, Edward1
- Gannett, Henry, 1846-19141
- Steiger, W. T1
- U.S. Coast and Geodetic Survey1
- United States. Dept. of the Treasury. Bureau of Statistics1
- United States. Office of Farm Management1