7 Free Artworks of Bridger Formation

a history of land mammals in the western hemisphere (1913)rock formations in montanagallatin county, montananational archives at college parkwilliam henry jacksonrobert bruce horsfall
Hyrachyus eximius, 1913
robert bruce horsfallhyrachyus
Synoplotherium, 1913
robert bruce horsfallsynoplotherium
Mesatirhinus, 1913
brontotheriidae life restorationssphenocoelus
The Needle, in Bridger Canyon, Gallatin County, Montana, William Henry Jackson, 1872
rock formations in montanagallatin county, montana
The Needle, in Bridger Canyon, Gallatin County, Montana, William Henry Jackson, 1872
rock formations in montanagallatin county, montana
Trionychoid skull: Platypeltis from above and below, Samuel Wendell Williston, 1925
the osteology of the reptilesapalone skulls
Needle, in Bridger Canyon. Near Fort Ellis. Gallatin County, Montana., William Henry Jackson, 1872
rock formations in montanagallatin county, montana
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