Minor elements in bedrock soil, and vegetation at an outcrop of the Phosphoria Formation on Snowdrift Mountain southeastern Idaho Contributions to general geology Lotspeich, Frederick B. 1914-2005 creator author. Markward, Ellen L. 1909- author. Geological Survey (U.S.) issuing body. text bibliography dcu 1963 monographic eng remote 1 online resource (iv, 42 pages, 1 page of plate) : illustrations, maps, charts. by Frederick B. Lotspeich and Ellen L. Markward. Title from title screen (viewed July 24, 2014). Includes bibliographical references (page 42). n-us-id Geochemical prospecting Idaho Snowdrift Mountain Geology Idaho Snowdrift Mountain Geology, Stratigraphic Permian Geochemical prospecting Geology Geology, Stratigraphic Permian Geologic Period Idaho Snowdrift Mountain From 230 to 280 million years ago fast I 19.3:1181-F I 19.3:1181-F Minor elements in bedrock soil, and vegetation at an outcrop of the Phosphoria Formation on Snowdrift Mountain southeastern Idaho Lotspeich, Frederick B., 1914-2005. (OCoLC)4095083 Geological Survey bulletin ; 1181-F Contributions to general geology https://purl.fdlp.gov/GPO/gpo75481 COP 140802 20211120181657.0 in00003711917 eng