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Curated OER
National Park Service: Rocky Mountain National Park: Geologic Activity
The National Park Service gives information on glaciers during the Bull Lake glaciation period and the Pinedale glaciation period. Find out what happened to these glaciers and what they left behind.
Houghton Mifflin Harcourt
Harcourt: Biographies: James Beckwourth 1798 1867
Learn about the exciting adventures of mountain man James Beckwourth as he explored the Western wilderness.
Smithsonian Institution
National Museum of Natural History: American Mammals: Mountain Pocket Gopher
Mountain Pocket Gophers live in meadows, pastures, and rocky slopes, in pine, fir, spruce, and hemlock forests at elevations above 1,545 m. They are active all year, and like other pocket gophers, they are solitary. Learn more about the...
Curated OER
Etc: Maps Etc: Mexico, Central America, and the West Indies, 1898
A map from 1898 of Mexico, Central America and the West Indies. The map includes an inset map of Cuba and the Isthmus of Nicaragua. "The surface of the Rocky Mountain highland in Mexico is quite similar to that of the great plateau...