Chroococcus, microfossil of the oil shale of the Green River formation. 1915.
Dates
Date Taken
1915
Summary
Album Caption: Oil shale of the Green River formation. Locality O. Specimen a, Box No.II, Slide No.9. Place on the slide, 7/36. Magnification x430. Subject, single two-celled oval or elliptical plant like Chroococcus. Published in U.S. Geological Survey Professional paper 168, Plate 19, figure 8. 1931.
Summary
Album Caption: Oil shale of the Green River formation.
Locality O.
Specimen a, Box No.II, Slide No.9.
Place on the slide, 7/36.
Magnification x430.
Subject, single two-celled oval or elliptical plant like Chroococcus.
Published in U.S. Geological Survey Professional paper 168, Plate 19, figure 8. 1931.
Image located in U.S.Geological Survey Library, Photographic Collection, Davis, C.A. Collection album, Volume 1, No.32.
Rights
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