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  • All fields: Triangulation
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    • Triangulation map of Colorado

    •  
    • Geology--Colorado--Maps.; Triangulation--Colorado--Maps.; Colorado--Historical geography--1881.; Colorado--Surveys--Maps.
    • [1881]
    • Mts. Massive and Elbert

    • Mount Massive (elevation 14,418 feet) and Mount Elbert (elevation 14,431) near Leadville, Colorado, on background horizon viewed from possibly Twin Lakes. Mt. Elbert (the highest peak in Colorado and second highest in United States) was used as...
    • Elbert, Mount (Colo.)--1900-1920.; Massive, Mount (Colo.)--1900-1920.
    • [between 1900 and 1920]
    • Triangulation station

    • Members of the survey crew in hats, sit or stand at the sandy edge of the Colorado River near Pearce Ferry in Mohave County, Arizona. One man stands beside a tripod and transit. Shows probably a photographer's blind on a wooden boat, and survey...
    • Colorado River (Colo.-Mexico)--1870-1880.; Grand Canyon (Ariz.)--1870-1880.; Mohave County (Ariz.)--1870-1880.; Pearce Ferry (Ariz.)--1870-1880.; Canyons--Arizona--Mohave County--1870-1880.; Expeditions & surveys--Arizona--Mohave...
    •  
    • Denver Municipal Facts: Volume 4 Number 33, 1912 August 17

    • Newsletter produced by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1912 August 17

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