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Mesa County

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  • Monoliths in Colorado National Monument

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    The dramatic scenery at Colorado National Monument, including the vertical cliffs and monoliths are composed of the Triassic Wingate Sandstone which is overlain by the resistant, silica-cemented Kayenta Formation. (Source: National Park Services: Geology of Colorado National Monument)
    Monoliths in Colorado National Monument
  • Mesa County

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    Mesa County, named for the many flattop mountains within its borders, was established in 1883.
    Mesa County
  • Union State in Grand Junction

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    The Denver & Rio Grande Railroad arrived in March 1883. Along with the irrigation ditches, the railroad’s arrival in Grand Junction was a crucial part of the rapid takeoff in Mesa County agriculture that occurred between 1890 and 1910.
    Union State in Grand Junction

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