Results for "Update"
G. Arthur Cooper
- Date: c. 1957
- Creator: Unknown
- Creator: Unknown
The "Esperanza"
- Date: 1930
- Creator: Unknown
- Creator: Unknown
Railroad Station in Huigra, Ecuador , 1923-1924
- Date: 1923-1924
- Creator: Unknown
- Creator: Unknown
Papito and Gedón (Armagedón) Hartmann with Secretary Alexander Wetmore
- Date: March 16, 1954
- Creator: Unknown
- Creator: Unknown
View from Mountaintop, Brazil
- Date: 1929
- Creator: Unknown
- Creator: Unknown
Watson M. Perrygo and Alexander Wetmore
- Date: March 14, 1952
- Creator: Unknown
- Creator: Unknown
Watson M. Perrygo on a Field Collecting Trip to Panama
- Date: April 11, 1947
- Creator: Unknown
- Creator: Unknown
Mary Agnes Chase Collecting Plants, Brazil
- Date: 1929
- Creator: Unknown
- Creator: Unknown
G. Arthur Cooper and the "Emerald Queen"
- Date: 1961
- Creator: Unknown
- Creator: Unknown
Hayden Survey Group, 1877
- Date: 1877
- Creator: Unknown
- Creator: Unknown
G. Arthur Cooper and the "Scarlet Harlot"
- Date: 1973
- Creator: Unknown
- Creator: Unknown
Lee H. Parish
- Date: 1930
- Creator: Unknown
- Creator: Unknown
