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Fossil specimen of Glossina oligocena
Unidentified photograph...
Fossil specimen of Glos...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Glossina oligocena
Date Undated
Format [photographs, lantern slides]
Fossil type specimen of Sapindus coloradensis from Florissant
Unidentified photograph...
Fossil type specimen of...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil type specimen of Sapindus coloradensis from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Phegopteris guyottii from Florissant
Unidentified photograph...
Fossil specimen of Pheg...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Phegopteris guyottii from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil type specimen of Hodotermes scudderi from Florissant
Unidentified photograph...
Fossil type specimen of...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil type specimen of Hodotermes scudderi from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of an insect
Unidentified photograph...
Fossil specimen of an i...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of an insect
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Phenacolestes mirandus from Florissant
Unidentified photograph...
Fossil specimen of Phen...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Phenacolestes mirandus from Florissant
Date Undated
Format [photographs, lantern slides]
Theodore Cockerell and an unidentified man observing ground bees at a site in Colorado
Unidentified photograph...
Theodore Cockerell and ...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Theodore Cockerell and an unidentified man observing ground bees at a site in Colorado
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Porana tenuix from Florissant
Unidentified photograph...
Fossil specimen of Pora...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Porana tenuix from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Vitis florissantella from Florissant
Unidentified photograph...
Fossil specimen of Viti...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Vitis florissantella from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil type specimen of Sapindus coloradensis from Florissant
Unidentified photograph...
Fossil type specimen of...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil type specimen of Sapindus coloradensis from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Castanea dolichophylla from Florissant
Unidentified photograph...
Fossil specimen of Cast...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Castanea dolichophylla from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Heyderia coloradensis from Florissant
Unidentified photograph...
Fossil specimen of Heyd...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Heyderia coloradensis from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of an insect
Unidentified photograph...
Fossil specimen of an i...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of an insect
Date Undated
Format [photographs, lantern slides]
Fossil specimen of an butterfly
Coulson & Son, photogra...
Fossil specimen of an b...
Undated
[photographs, lantern s...
 
Creator Coulson & Son, photographer
Title Fossil specimen of an butterfly
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Panax andrewsii from Florissant
Unidentified photograph...
Fossil specimen of Pana...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Panax andrewsii from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Phenanthera petalifera from Florissant
Unidentified photograph...
Fossil specimen of Phen...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Phenanthera petalifera from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil type specimen of Chlorippe wilmattae from Florissant
Unidentified photograph...
Fossil type specimen of...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil type specimen of Chlorippe wilmattae from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Populus lesquerenxi from Florissant
Unidentified photograph...
Fossil specimen of Popu...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Populus lesquerenxi from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Tipula maclurei from Florissant
Unidentified photograph...
Fossil specimen of Tipu...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Tipula maclurei from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Dryobius myocenicus from Florissant
Unidentified photograph...
Fossil specimen of Dryo...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Dryobius myocenicus from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Calyptapis florissantensis from Florissant
Unidentified photograph...
Fossil specimen of Caly...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Calyptapis florissantensis from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Pellaea antiquella from Florissant
Unidentified photograph...
Fossil specimen of Pell...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Pellaea antiquella from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimens of Trichophanes folarium and Amia sp. from Florissant
Unidentified photograph...
Fossil specimens of Tri...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimens of Trichophanes folarium and Amia sp. from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Stipa laminarum from Florissant
Unidentified photograph...
Fossil specimen of Stip...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Stipa laminarum from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Myrica diversifolia from Florissant
Unidentified photograph...
Fossil specimen of Myri...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Myrica diversifolia from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil type specimen of Syrphus willistoni from Florissant
Unidentified photograph...
Fossil type specimen of...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil type specimen of Syrphus willistoni from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Rhus coriarioides from Florissant
Unidentified photograph...
Fossil specimen of Rhus...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Rhus coriarioides from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Phymatodes volarus from Florissant
Unidentified photograph...
Fossil specimen of Phym...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Phymatodes volarus from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil specimen of Pinus wheeleri from Florissant
Unidentified photograph...
Fossil specimen of Pinu...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil specimen of Pinus wheeleri from Florissant
Date Undated
Format [photographs, lantern slides]
Fossil type specimen of Quercus ramaleyi from Florissant, and fossil specimen of Quercus fendleri from New Mexico
Unidentified photograph...
Fossil type specimen of...
Undated
[photographs, lantern s...
 
Creator Unidentified photographer
Title Fossil type specimen of Quercus ramaleyi from Florissant, and fossil specimen of Quercus fendleri from New Mexico
Date Undated
Format [photographs, lantern slides]
Grinnell Glacier, Montana
Unidentified photograph...
Grinnell Glacier, Monta...
Undated
[photographs, gelatin s...
 
Creator Unidentified photographer
Title Grinnell Glacier, Montana
Date Undated
Format [photographs, gelatin silver prints]
Dana Glacier, California
Gilbert, Grove Karl, ph...
Dana Glacier, Californi...
Undated
[photographs, gelatin s...
 
Creator Gilbert, Grove Karl, photographer
Title Dana Glacier, California
Date Undated
Format [photographs, gelatin silver prints]
Conness Glacier, California
Gilbert, Grove Karl, ph...
Conness Glacier, Califo...
Undated
[photographs, gelatin s...
 
Creator Gilbert, Grove Karl, photographer
Title Conness Glacier, California
Date Undated
Format [photographs, gelatin silver prints]
Lyell Glacier, California
Gilbert, Grove Karl, ph...
Lyell Glacier, Californ...
Undated
[photographs, gelatin s...
 
Creator Gilbert, Grove Karl, photographer
Title Lyell Glacier, California
Date Undated
Format [photographs, gelatin silver prints]
Glacier National Park, Montana
Elrod, Morton J., photo...
Glacier National Park, ...
Undated
[photographs, gelatin s...
 
Creator Elrod, Morton J., photographer
Title Glacier National Park, Montana
Date Undated
Format [photographs, gelatin silver prints]
Clements Mountain, Montana
Elrod, Morton J., photo...
Clements Mountain, Mont...
Undated
[photographs, gelatin s...
 
Creator Elrod, Morton J., photographer
Title Clements Mountain, Montana
Date Undated
Format [photographs, gelatin silver prints]
Unknown glacier, Glacier National Park, Montana
Elrod, Morton J., photo...
Unknown glacier, Glacie...
Undated
[photographs, gelatin s...
 
Creator Elrod, Morton J., photographer
Title Unknown glacier, Glacier National Park, Montana
Date Undated
Format [photographs, gelatin silver prints]
Chaney Glacier, Montana
Elrod, Morton J., photo...
Chaney Glacier, Montana
Undated
[photographs, gelatin s...
 
Creator Elrod, Morton J., photographer
Title Chaney Glacier, Montana
Date Undated
Format [photographs, gelatin silver prints]
Chaney Glacier, Montana
Elrod, Morton J., photo...
Chaney Glacier, Montana
Undated
[photographs, gelatin s...
 
Creator Elrod, Morton J., photographer
Title Chaney Glacier, Montana
Date Undated
Format [photographs, gelatin silver prints]
Boulder Glacier, Montana
Elrod, Morton J., photo...
Boulder Glacier, Montan...
Undated
[photographs, gelatin s...
 
Creator Elrod, Morton J., photographer
Title Boulder Glacier, Montana
Date Undated
Format [photographs, gelatin silver prints]
Glacier National Park, Montana
Elrod, Morton J., photo...
Glacier National Park, ...
Undated
[photographs, gelatin s...
 
Creator Elrod, Morton J., photographer
Title Glacier National Park, Montana
Date Undated
Format [photographs, gelatin silver prints]
Chaney Glacier, Montana
Elrod, Morton J., photo...
Chaney Glacier, Montana
Undated
[photographs, gelatin s...
 
Creator Elrod, Morton J., photographer
Title Chaney Glacier, Montana
Date Undated
Format [photographs, gelatin silver prints]
Unknown glacier, Porcupine Ridge, Montana
Elrod, Morton J., photo...
Unknown glacier, Porcup...
Undated
[photographs, gelatin s...
 
Creator Elrod, Morton J., photographer
Title Unknown glacier, Porcupine Ridge, Montana
Date Undated
Format [photographs, gelatin silver prints]
Grinnell Glacier, Montana
Elrod, Morton J., photo...
Grinnell Glacier, Monta...
Undated
[photographs, gelatin s...
 
Creator Elrod, Morton J., photographer
Title Grinnell Glacier, Montana
Date Undated
Format [photographs, gelatin silver prints]
Grinnell Glacier, Montana
Dyson, James L., photog...
Grinnell Glacier, Monta...
Undated
[photographs, gelatin s...
 
Creator Dyson, James L., photographer
Title Grinnell Glacier, Montana
Date Undated
Format [photographs, gelatin silver prints]
Shakes Glacier, Alaska
Case, W. K., photograph...
Shakes Glacier, Alaska
Undated
[photographs, gelatin s...
 
Creator Case, W. K., photographer
Title Shakes Glacier, Alaska
Date Undated
Format [photographs, gelatin silver prints]
Arapaho Glacier, Colorado
Chamber of Commerce, Bo...
Arapaho Glacier, Colora...
Undated
[photographs, gelatin s...
 
Creator Chamber of Commerce, Boulder, photographer
Title Arapaho Glacier, Colorado
Date Undated
Format [photographs, gelatin silver prints]
Arapaho Glacier, Colorado
Chamber of Commerce, Bo...
Arapaho Glacier, Colora...
Undated
[photographs, gelatin s...
 
Creator Chamber of Commerce, Boulder, photographer
Title Arapaho Glacier, Colorado
Date Undated
Format [photographs, gelatin silver prints]
Arapaho Glacier, Colorado
Chamber of Commerce, Bo...
Arapaho Glacier, Colora...
Undated
[photographs, gelatin s...
 
Creator Chamber of Commerce, Boulder, photographer
Title Arapaho Glacier, Colorado
Date Undated
Format [photographs, gelatin silver prints]
Arapaho Glacier, Colorado
Chamber of Commerce, Bo...
Arapaho Glacier, Colora...
Undated
[photographs, gelatin s...
 
Creator Chamber of Commerce, Boulder, photographer
Title Arapaho Glacier, Colorado
Date Undated
Format [photographs, gelatin silver prints]
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