Results for "Twitter"
Mineralogists at Work
- Date: 1969
- Creator: Unknown
- Creator: Unknown
Frank Wigglesworth Clarke (1847-1931)
J.F. Gates Clarke
- Date: c. 1950
- Creator: Unknown
- Creator: Unknown
Examining Freer Ancient Axe Blades
- Date: 1971
- Creator: Unknown
- Creator: Unknown
Smithsonian Geologists, 1886
- Date: 1886
- Creator: Unknown
- Creator: Unknown
Frank Wigglesworth Clarke (1847-1931)
- Web Page
J. F. Gates Clarke
- Date: 1956
- Creator: Unknown
- Creator: Unknown
National Museum of Natural History - Roy S. Clarke and Brian H. Mason Examine Meteorite
- Date: 1971 January 27, 1971
- Creator: Smithsonian Institution Photographic Services Division
Frank Wigglesworth Clarke
- Date: c. 1900s
- Creator: Unknown
- Creator: Unknown
Dr. Roy S. Clarke and Eugene Jarosewich Examine Meteorite Samples
- Date: 1969 February 20, 1969
- Creator: Smithsonian Institution Photographic Services Division
Insects Exhibit, Natural History Building - J.F. Gates Clarke
- Date: 1954 June 4, 1954
- Creator: United States Department of Agriculture
J. F. Gates Clarke
- Date: c. 1947
- Creator: Unknown
- Creator: Unknown
