Results for "Smithsonian Institution. Environmental Sciences Program"
Petrified Tree Trunk, or Fossil Tree, Outside the United States National Museum
- Date: 1880 1880s
- Creator: United States National Museum Photographic Laboratory
Petrified Tree Trunk, or Fossil Tree, Outside the United States National Museum
- Date: 1880 1880s
- Creator: United States National Museum Photographic Laboratory
Forest of Mississippi Valley (Record Photo), 1881 - No. 15 -- A "clearing" near the river bank
- Date: 1875 Circa 1881
- Creator: Ridgway, Robert 1850-1929
Copy of Letter from Robert Ridgway to Spencer Fullerton Baird, dated January 31, 1876
- Date: 1876 January 31, 1876
- Creator: Ridgway, Robert 1850-1929
Petrified Tree Trunk, or Fossil Tree, Outside the United States National Museum
- Date: 1880 1880s
- Creator: United States National Museum Photographic Laboratory
Forest of Mississippi Valley (Record Photo), 1881 - No. 7 -- Black Walnut
- Date: 1875 Circa 1881
- Creator: Ridgway, Robert 1850-1929
Forest of Mississippi Valley (Record Photo), 1881 - No. 9 -- Swamp White Oak
- Date: 1875 Circa 1881
- Creator: Ridgway, Robert 1850-1929
Forest of Mississippi Valley (Record Photo), 1881 - No. 13 -- Winter Grape
- Date: 1875 Circa 1881
- Creator: Ridgway, Robert 1850-1929
Forest of Mississippi Valley (Record Photo), 1881 - No. 27 -- Black Walnut
- Date: 1875 Circa 1881
- Creator: Ridgway, Robert 1850-1929
Forest of Mississippi Valley (Record Photo), 1881 - No. 29 -- Black Walnut
- Date: 1875 Circa 1881
- Creator: Ridgway, Robert 1850-1929
Forest of Mississippi Valley (Record Photo), 1881 - No. 39 -- Bald Cypress
- Date: 1875 Circa 1881
- Creator: Ridgway, Robert 1850-1929
Forest of Mississippi Valley (Record Photo), 1881 - No. 43 -- Bald Cypress
- Date: 1875 Circa 1881
- Creator: Ridgway, Robert 1850-1929
