Figure 12

Figure 12. Present-day correspondences between mean annual precipitation and the distribution of selected tree and shrub species from western North America (see caption for Figure 7 for a more complete explanation).

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U.S. Department of the Interior | U.S. Geological Survey URL: https://pubsdata.usgs.gov/pubs/of/1999/ofr-99-0338/fig12.html Questions or Assistance: USGS Web Contact Page Last Modified: Wed Dec 7 17:00 EST 2016