title: Geology of the Dry Valley Quadrangle, Idaho title: Contributions to economic geology title: Geological Survey bulletin title: United States Geological Survey Bulletin 1015-I title: United States Geological Survey Reports creator: Cressman, Earle Rupert creator: Gulbrandsen, Robert A. contributor: Geological Survey (U.S.) contributor: U.S. Atomic Energy Commission publisher: United States. Government Printing Office. date: 1955 language: English description: From introduction: The principal objective of the program is to make detailed geologic maps of the areas in which important phosphate deposits in the Phorphoria formation occur. It is hoped that the maps will serve both as an aid in selecting possible sites for mining and as a basis for calculating reserves. subject: Geology -- Idaho -- Dry Valley Quadrangle. subject: stratigraphy coverage: United States - Idaho type: Report format: [28] p. : ill., maps, charts ; 23 cm. format: Text identifier: oclc: 885009251 identifier: sudoc: I 19.3:1015-I identifier: rep-no: USGS Bulletin 1015-I identifier: https://digital.library.unt.edu/ark:/67531/metadc304278/ identifier: ark: ark:/67531/metadc304278