Undated
Fossil specimen of Glossina
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil type specimen of Sapi
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Phegopter
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil type specimen of Hodo
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of an insect
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Phenacole
Unidentified photographer
[photographs, lantern slides
|
Undated
Theodore Cockerell and an un
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Porana te
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Vitis flo
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil type specimen of Sapi
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Castanea
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Heyderia
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of an insect
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of an butter
Coulson & Son, photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Panax and
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Phenanthe
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil type specimen of Chlo
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Populus l
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Tipula ma
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Dryobius
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Calyptapi
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Pellaea a
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimens of Trichoph
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Stipa lam
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Myrica di
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil type specimen of Syrp
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Rhus cori
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Phymatode
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Pinus whe
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil type specimen of Quer
Unidentified photographer
[photographs, lantern slides
|
Undated
[photographs, slides (photog
Academy Glacier, Qaasuitsup,
U.S. Coast Guard, photograph
|
Undated
[photographs, slides (photog
Academy Glacier, Qaasuitsup,
U.S. Coast Guard, photograph
|
Undated
[photographs, slides (photog
Academy Glacier, Qaasuitsup,
U.S. Coast Guard, photograph
|
Undated
[photographs, slides (photog
Academy Glacier, Qaasuitsup,
U.S. Coast Guard, photograph
|
Undated
[photographs, slides (photog
Academy Glacier, Qaasuitsup,
U.S. Coast Guard, photograph
|
Undated
[photographs, gelatin silver
Piegan Glacier, Montana
Unidentified photographer
|
Undated
[photographs, photographic p
View of Greenland from space
Unidentified photographer
|
Undated
[photographs, photographic p
Unknown glacier, unknown loc
Unidentified photographer
|
Undated
[photographs, space photogra
View of Antarctica from spac
Unidentified photographer
|
Undated
[photographs, space photogra
View of Antarctica from spac
Unidentified photographer
|
Undated
[photographs, photographic p
Unknown glacier
Unidentified photographer
|
Undated
[photographs, chromogenic co
Dawes Glacier, Alaska
Unidentified photographer
|
Undated
[photographs, chromogenic co
Dawes Glacier, Alaska
Unidentified photographer
|
Undated
[photographs, slides (photog
Unknown glacier
Unidentified photographer "T
|
Undated
[photographs, slides (photog
Unknown glacier
Unidentified photographer "T
|
Undated
[photographs, slides (photog
Unknown glacier
Unidentified photographer "T
|
Undated
[photographs, photographic p
No glacier, Des Moines count
Unidentified photographer
|
Undated
[photographs, slides (photog
Major projects 1977-1986 (li
Unidentified photographer
|
Undated
[photographs, gelatin silver
No glacier, Des Moines count
Unidentified photographer
|
Undated
[photographs, slides (photog
Data holdings of World Data
Unidentified photographer
|