Figure 15. Sample page (for Pinus edulis) for graphical displays in this atlas. Letters in each division on the page provide a key for figures 16 through 19.
U.S. Department of the Interior | U.S. Geological Survey URL: <http://pubs.usgs.gov/pp/p1650-a/introfigs/fig15.html> Questions or Assistance: Contact USGS Page Last Modified: Fri Dec 17 17:49 EDT 1999