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Creator
- Control line and topography by M. Hackett3
- Henry Gannett, Chief Topographer3
- Gilbert Thompson, Chief Geographer in Charge2
- United States. Agricultural Stabilization and Conservation Service2
- United States. Dept. of Agriculture. Commodity Stabilization Service2
- Gilbert Thompson, Chief Geographer in charge1
- O.W. Gray & Son1
- United States. Dept. of Agriculture1
- United States. Dept. of Agriculture. Production and Marketing Administration1