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Creator
- Geological Survey (U.S.)[remove]424
- United States. Forest Service4
- Cooke, Chas. E.2
- Dennee, Phyllis2
- Hawkins, Geo. T.2
- Minnesota. State Drainage Commission.2
- Sealing, H. E.2
- Tufts, Wm. O.2
- U.S. Coast and Geodetic Survey2
- Wilson, Herbert M. (Herbert Michael), 1860-19202
- Young, Gilbert2
- Good, L. S.1
- Graves, Henry Solon, 1871-19511
- United States. Bureau of Public Roads1
- Wilson, A. D.1