John Wesley Powell
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- United States Department of the Interior
- CALIFORNIA Mississippi from St
- John Wesley Powell a Biography. II. the Soldier
- John Wesley Powell : Science and Reform in a Positive Context
- CHARLES DOOLITTLE WALCOTT March 31,1850-February 9,1927
- Grand Canyon National Park
- Iowa Geology: the Early Years
- John Wesley Powell Collection the Ames Library Illinois Wesleyan University
- Walworth County Secrets
- MEN on BOATS Study Guide
- John Wesley Powell
- The United States Geological Survey: 1879-1989
- MS 2003-31 WJ Mcgee Biographical Materials, Photographs
- 2005 Medals & Awards Rip Rapp Archaeological Geology