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Author/Creator
- Scott, Glenn R., 1918-201211
- Geological Survey (U.S.)3
- Cobban, William A., 1916-20151
- Crumpton, Carl F.1
- Denver Public Library. Western History/Genealogy Department1
- Foster, Frank W.1
- Mehnert, Harald H.1
- Moore, David W. (David Warren)1
- State Highway Commission of Kansas1
- Taylor, Richard B. (Richard Bartlett)1
- Wilcox, Ray E. (Ray Everett), 1912-1