Results for "Washington (D.C.)"
Petrified Tree Trunk, or Fossil Tree, Outside the United States National Museum
- Date: 1880 1880s
- Creator: United States National Museum Photographic Laboratory
Victorian Garden and the A&I Building
- Date: 1980
- Creator: Hofmeister, Richard K
- Creator: Hofmeister, Richard K
Dendrochronology: Telling Time by Tree Rings
- Date: 1962
- Creator: Unknown
- Creator: Unknown
Drawing of the Glass Tent at the NZP
- Date: c. 1890s
- Creator: Unknown
- Creator: Unknown
Removing Trees of the Victorian Garden
- Date: 1982
- Creator: Ploskonka, Jeffrey
- Creator: Ploskonka, Jeffrey
Francis S.L. Williamson
- Date: c. 1969
- Creator: Unknown
- Creator: Unknown
Tree Removal from the Victorian Garden
- Date: 1982
- Creator: Ploskonka, Jeffrey
- Creator: Ploskonka, Jeffrey
Climbing a Coconut Tree, Isla Ranchería, Panama
- Date: February 4, 1956
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Scientists at the Canal Zone Biological Area
- Date: 1936
- Creator: Unknown
- Creator: Unknown
Alexander Wetmore at lunch, 1953
- Date: June 8, 1953
- Creator: Unknown
- Creator: Unknown
James Lynch Conducts Research at SERC
- Date: 1986
- Creator: Hofmeister, Richard K
- Creator: Hofmeister, Richard K
Rió Escotá Dry Bed
- Date: March 8, 1948
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
