Results for "Smithsonian Institution. Environmental Sciences Program"
Forest of Mississippi Valley (Record Photo), 1875 - Sycamore
- Date: 1875 Circa 1875
- Creator: Ridgway, Robert 1850-1929
Forest of Mississippi Valley (Record Photo), 1875 - Sycamore
- Date: 1875 Circa 1875
- Creator: Ridgway, Robert 1850-1929
- Shi
Thelma Clarke Accompanied her Husband J. F. Gates Clarke on a trip to Rapa
- Date: 1963
- Creator: Clarke, John Frederick Gates
- Creator: Clarke, John Frederick Gates
Forest of Mississippi Valley (Record Photo), 1881 - No. 4. -- Bur Oak
- Date: 1875 Circa 1881
- Creator: Ridgway, Robert 1850-1929
Forest of Mississippi Valley (Record Photo), 1881 - No. 5 -- Red Oak
- Date: 1875 Circa 1881
- Creator: Ridgway, Robert 1850-1929
Forest of Mississippi Valley (Record Photo), 1881 - No. 25 -- Red Oak
- Date: 1875 Circa 1881
- Creator: Ridgway, Robert 1850-1929
Construction on Front of National Museum of Natural History, 1909
- Date: 1909
- Creator: Unknown
- Creator: Unknown
Cherry Blossoms around the Tidal Basin, with the Washington Monument in the background
- Date: 1919 C. 1920-1924
- Creator: Gruber, Martin A
Cherry Blossoms around the Tidal Basin, with the Washington Monument in the background
- Date: 1919 C. 1920-1924
- Creator: Gruber, Martin A
Cherry Blossoms around the Tidal Basin, with the Washington Monument in the background
- Date: 1919 C. 1920-1924
- Creator: Gruber, Martin A
Cherry Blossoms around the Tidal Basin, with the Washington Monument in the background
- Date: 1919 C. 1920-1924
- Creator: Gruber, Martin A
Cherry Blossoms around the Tidal Basin, with the Washington Monument in the background
- Date: 1919 C. 1920-1924
- Creator: Gruber, Martin A
