Filters: Tags: Hamilton, W.B. Collection (X) > partyWithName: Pierce, Kenneth L. (X)

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Obsidian-sand-plain sediments. Yellowstone National Park, Wyoming. 1959. Album caption: History and Dynamics of Glaciation in the Northern Yellowstone National Park. Obsidian-sand-plain sediments. Horizontal beds about 15 cm thick have both subhorizontal and steeply inclined crossbedding. The inclined crossbeds of pea-size gravel are generally openwork (have no matrix). Scale is 18 cm long. Photograph by W.B. Hamilton, 1959. Wyoming, ca. 1968. No index card. Published as Figure 36 in U.S. Geological Survey. Professional Paper 729-F. 1979. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hamilton, W.B. Collection, National Parks, Photographers, Pierce, K.L. Collection, Yellowstone National Park, All tags... Yellowstone National Park Collection, photo print, Fewer tags