Microfossil of the oil shale of the Green River formation: group of spores suggesting sorus of Uromyces. sp. Colorado or Utah. 1925.
Dates
Date Taken
1925
Summary
Microfossil of the oil shale of the Green River formation: group of spores suggesting sorus of Uromyces. sp. Colorado or Utah. 1925. Plate 20, figure 8, U.S. Geological Survey. Professional paper 168. 1931.
Summary
Microfossil of the oil shale of the Green River formation: group of spores suggesting sorus of Uromyces. sp. Colorado or Utah. 1925. Plate 20, figure 8, U.S. Geological Survey. Professional paper 168. 1931.
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