Microfossil of the oil shale of the Green River formation: Colorado or Utah. 1925.
Dates
Date Taken
1925
Summary
Microfossil of the oil shale of the Green River formation: Chroococcus? sp. cf. disperus (V. Kessler) Lemmerman. Colorado or Utah. 1925. Plate 19, figure 9, U.S. Geological Survey. Professional paper 168. 1931.
Summary
Microfossil of the oil shale of the Green River formation: Chroococcus? sp. cf. disperus (V. Kessler) Lemmerman. Colorado or Utah. 1925. Plate 19, figure 9, U.S. Geological Survey. Professional paper 168. 1931.
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