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Author/Creator
- Geological Survey (U.S.)5
- Iddings, Joseph Paxson, 1857-19204
- Cross, Whitman, 1854-19492
- Emmons, Samuel Franklin, 1841-19112
- Hague, A. (Arnold), 1840-19172
- Bernth, Ulla1
- Hess, Paul C., 1940-1
- Julien, Alexis A. (Alexis Anastay), 1840-19191
- Ketner, Keith B., 1921-20191
- Ketner, Keith Brindley, 1921-1
- Levison, Wallace Goold, 1846-19241
- Spurr, Josiah Edward, 1870-19501