Results for "National Science Foundation (U.S.)"
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
Fossil Beds Near the Pierre Shale
- 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
