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Author
- Geological Survey (U.S.)46
- Rothrock, Howard Eugene, 1893-3
- Colton, Roger B. (Roger Burnham), 1924-2
- Pepper, James F.2
- Cohee, George Vincent, 1907-1
- Cushman, R. V. (Robert Vittum), 1916-1
- Dobbin, C. E. (Carroll Edward), 1892-19671
- Johnson, Vard H.1
- Küchler, A. W. (August William), 1907-19991
- Pusey, Lewis B.1
- Reinemund, John A. (John Adam), 1919-1
- United States. Map Information Office1
- Whitehead, R. L., author1
