Figure 1. Locations of packrat middens (blue circles) used in this study by time period. The location of Yucca Mountain is shown as a green triangle on each map.
U.S. Department of the Interior | U.S. Geological Survey URL: <http://pubs.usgs.gov/of/1999/ofr-99-0338/fig1.html> Questions or Assistance: GS Pubs Web Contact Page Last Modified: Wed Sep 22 21:31 EST 1999
