Interpreting long-term trends in Blue Mountain ecosystems from repeat photography
By: Jon M. Skovlin and Jack Ward Thomas.
Contributors: Thomas, Jack Ward.; Pacific Northwest Research Station (Portland, Or.)
Series: General technical report PNW -- GTR-315.; General technical report PNW -- 315.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1995
Place of publication: Portland, Or. (333 S.W. First Ave., P.O. Box 3890, Portland 97208)
Language: eng
Number of pages: 102
Subjects: Landscape changes -- Blue Mountains (Or. and Wash.) -- Pictorial works; Biotic communities -- Blue Mountains (Or. and Wash.) -- Pictorial works; Forest ecology -- Blue Mountains (Or. and Wash. -- Pictorial works.); Repeat photography -- Blue Mountains (Or. and Wash.); Blue Mountains (Or. and Wash.) -- Pictorial works
Genres: Pictorial works.; Pictorial works.)
Notes: Cover title.

"June 1995."

Includes bibliographical references (p. 93-96).