U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

General Information

  • Title: GIS Data for Geologic Map of the Challis 1 x 2 Degrees Quadrangle, Idaho [see map in Fisher and others, 1992]
  • Author(s): Larkin, E.M., Horton, J.D., and San Juan, C.A.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Data Release
  • Publication Date: 2021
  • Map Scale: 1:250,000
  • Cross Section: None
  • North Latitude: 45° 0' 0" N (45.0000)
  • South Latitude: 44° 0' 0" N (44.0000)
  • East Longitude: 114° 0' 0" W (-114.0000)
  • West Longitude: 116° 0' 0" W (-116.0000)
  • Corrections to this entry?
* See base map disclaimer below.

Map Preview

(Click image to enlarge)

Downloads from the NGMDB

Poor quality image? Let us know

Additional Resources

* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.