Variation in shrub and herb cover and production on ungrazed pine and sagebrush sites in eastern Oregon, a 27-year photomonitoring study / Frederick C. Hall.
44 p. : col. ill. ; 28 cm.
Portland, OR : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2007]
LINKS VIA ARLIS DOCUMENT SERVER:
Part A
Part B
Part C