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GIS Data (ver. 2) for Geologic Terranes of the Hailey 1 x 2 Degrees Quadrangle and the Western Part of the Idaho Falls 1 x 2 Degrees Quadrangle, South-Central Idaho

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: February 16, 2026 | Last Modified: 2021-03-31T00:00:00Z
This U.S. Geological Survey (USGS) data release provides an updated digital geospatial database for the geologic terranes of the Hailey 1 degree x 2 degrees quadrangle and the western part of the Idaho Falls 1 degree x 2 degrees quadrangle, south-central Idaho (Worl and Johnson, 2000). Attribute tables and geospatial features (lines and polygons) conform to the Geologic Map Schema (USGS NCGMP, 2020) and represent the geologic map as published in USGS Bulletin 2064-A (Worl and Johnson, 1995). Minor errors, such as mistakes in line decoration or differences between the digital data and the map image, are corrected in this version. The database represents the geology for the 6.1 million-acre, geologically complex Hailey quadrangle and the western part of the Idaho Falls quadrangle, at a publication scale of 1:250,000. The map covers primarily Blaine, Camas, Custer and Elmore Counties, but also includes minor parts of Ada, Butte, Gooding, Lincoln, and Minidoka Counties. These GIS data supersede those in the interpretive report (Worl and Johnson, 2000). References: Worl, R.G. and Johnson, K.M., 2000, Map showing geologic terranes of the Hailey 1 degree x 2 degrees quadrangle and the western part of the Idaho Falls 1 degree x 2 degrees quadrangle, south-central Idaho: U.S. Geological Survey Bulletin 2064-A: digital database prepared by Gregory N. Green (USGS), 1:250,000 scale, https://pubs.usgs.gov/bul/b2064-a/. Worl, R.G. and Johnson, K.M., 1995, Map showing geologic terranes of the Hailey 1 degree x 2 degrees quadrangle and the western part of the Idaho Falls 1 degree x 2 degrees quadrangle, south-central Idaho: U.S. Geological Survey Bulletin 2064-A, Plate 1, 1:250,000 scale, https://doi.org/10.3133/b2064A. U.S. Geological Survey National Cooperative Geologic Mapping Program, 2020, GeMS (Geologic Map Schema) - A standard format for the digital publication of geologic maps: U.S. Geological Survey Techniques and Methods, book 11, chap. B10, 74 p., https://doi.org/10.3133/tm11B10.

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