Results for "National Science Resources Center (U.S.)"
Letter from Mrs. C. B. Ripley to Herbert Friedmann
- Date: August 26, 1943
- Creator: Ripley, Constance Baillie Rose
- Creator: Ripley, Constance Baillie Rose
Letter from S. Dillon Ripley to Herbert Friedmann
- Date: January 4, 1944
- Creator: Ripley, Sidney Dillon 1913-2001
- Creator: Ripley, Sidney Dillon 1913-2001
Perrygo Drinking a Royal Crown Cola in Panama
- Date: March 24, 1948
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Letter from Herbert G. Deignan to Alexander Wetmore, December 7,1944
- Date: December 7, 1944
- Creator: Deignan, H. G (Herbert Girton) 1906-
- Creator: Deignan, H. G (Herbert Girton) 1906-
Letter from Herbert Friedmann to S. Dillon Ripley
- Date: November 21, 1944
- Creator: Friedmann, Herbert 1900-1987
- Creator: Friedmann, Herbert 1900-1987
Expedition Members Lifting Titanotherium Specimen
- Date: 1931-1932 Miocene Oligocene
- Creator: Unknown
- Creator: Unknown
Fossil Beds Near the Pierre Shale
- Date: 1931-1932 Miocene Oligocene
- Creator: Unknown
- Creator: Unknown
Expedition Member Working on Titanotherium Skeleton
- Date: 1931-1932 Miocene Oligocene
- Creator: Unknown
- Creator: Unknown
Two Men Uncovering Fossil Sp. 20-27
- Date: 1931-1932 Miocene Oligocene
- Creator: Unknown
- Creator: Unknown
Wetmore and Perrygo in El Valle, Panama
- Date: March 31, 1951
- Creator: Unknown
- Creator: Unknown
Expedition Members Excavating Fossils
- Date: 1931-1932 Miocene Oligocene
- Creator: Unknown
- Creator: Unknown
Letter from Herbert Friedmann to S. Dillon Ripley
- Date: June 16, 1944
- Creator: Friedmann, Herbert 1900-1987
- Creator: Friedmann, Herbert 1900-1987
