Results for "Smithsonian Institution. Environmental Sciences Program"
![Leland Ossian Howard (1857-1950), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4000].](/sites/default/files/styles/sia-image-200/public/site_util_images/image_missing.jpg "Leland Ossian Howard (1857-1950), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4000].")
Leland Ossian Howard (1857-1950)
Ephraim Porter Felt (1868-1943)
- Date: 3-26-1928
- Creator: Stein, E. J
Gordon Floyd Ferris (1893-1958)
Fred Edmund D'Amour (b. 1895)
- Date: 1934
- Creator: Howell, Jack
Mary Isabel McCracken (1866-1955)
William Josiah Gerhard (1873-1958)
Theodore Huntington Hubbell (1897-1989)
Louis Beethoven Prout (1864-1943)
- Creator: Scott, Julian P
Frank Eugene Lutz (1879-1943)
- Creator: Scott, Julian P
William Brodbeck Herms (1876-1949)
Leland Ossian Howard (1857-1950)
Leland Ossian Howard (1857-1950)
![Leland Ossian Howard (1857-1950), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4000].](https://ids.si.edu/ids/iiif/SIA-SIA2008-4000/full/250,/0/default.jpg "Leland Ossian Howard (1857-1950), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4000].")
![Gordon Floyd Ferris (1893-1958), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0591].](https://ids.si.edu/ids/iiif/SIA-SIA2008-0591/full/250,/0/default.jpg "Gordon Floyd Ferris (1893-1958), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0591].")
![Frank Eugene Lutz (1879-1943), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-5564].](https://ids.si.edu/ids/iiif/SIA-SIA2008-5564/full/250,/0/default.jpg "Frank Eugene Lutz (1879-1943), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-5564].")
![Leland Ossian Howard (1857-1950), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4003].](https://ids.si.edu/ids/iiif/SIA-SIA2008-4003/full/250,/0/default.jpg "Leland Ossian Howard (1857-1950), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4003].")
![Leland Ossian Howard (1857-1950), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4002].](https://ids.si.edu/ids/iiif/SIA-SIA2008-4002/full/250,/0/default.jpg "Leland Ossian Howard (1857-1950), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4002].")