Click on the image to see a larger version.
The GYA has several spatial definitions. This map displays the extent of 22 counties and federally managed lands at a resolution of 640 acres. An important consideration in this study is the usefulness of countywide data to planners and land managers.
U.S. Department of the Interior
U.S. Geological Survey
Rocky Mountain Mapping Center
URL: http://rockyweb.cr.usgs.gov/html/gye/area.html
Maintainer: rtpelltier@usgs.gov
Last modified: 14 Jan 2000