1. Historical photographs from U.S. Forest Service research and development activities in Alaska
- Author(s):
- Wright, Brenda E.; Plumb, Pauline; Wright, John; Biles, Frances E.
2. Geomorphology influences extent and composition of riparian plant communities at the watershed scale in central Nevada
- Author(s):
- Engelhardt, Blake M. ; Weisberg, Peter J.; Chambers, Jeanne C.
U.S. Department of Agriculture