USGS

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Geology of the Thomas Range Fluorspar District Juab County, Utah $12.95
Geology of the Thomas Range Fluorspar District Juab County, Utah: Cover 1959
Marine Trace Fossils in the Upper Jurassic Bluff Sandstone, Southeastern Utah: A description of newly discovered trace fossils and their significance $5.95
Marine Trace Fossils in the Upper Jurassic Bluff Sandstone, Southeastern Utah: C 1975