Estimating slope percent for land management from aerial photos
By: Karl E. Moessner and Grover A. Choate.
Contributors: Choate, Grover A.; Intermountain Forest and Range Experiment Station (Ogden, Utah)
Series: USDA Forest Service research note INT -- 26.; Research note INT -- 26.
Publisher: U.S. Dept. of Agriculture, Forest Service, Intermountain Forest & Range Experiment Station
Published: 1964
Place of publication: Ogden, Utah
Language: eng
Subjects: Aerial photography in forestry; Photographic interpretation -- Mathematical models; Photographic surveying
Notes: Caption title.

Includes bibliographical references.