POTD 4-12-16 lava flow Garfield County
Pinnacles eroded from Tertiary-age lava flow breccia along State Route 20, Garfield County.
State Route 20, Garfield County, Utah Photographer: Bob Biek; © 2015
The Utah Geological Survey (UGS) is a division of the Utah Department of Natural Resources. Several specialized programs comprise the UGS: Data Management, Energy & Minerals, Geologic Hazards, Geologic Information & Outreach, Geologic Mapping, Groundwater & Wetlands, and Paleontology.
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Salt Lake City, Utah 84114
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