Country of origin: United States
Contributor since: 2014-04-23
Works with editions by this editor: 1748 (see list)
- B. S. (Engineering Physics), University of Colorado, 1966.
- Ph. D. (Botany and Ecology), University of Colorado, 1980.
Now retired. For 37 years, botanist-ecologist with the U. S. Forest Service in Denver, Colorado, and Gunnison, Colorado.