Aerial photo scale-protractors for mountainous areas
By: Karl E. Moessner
Contributors: Intermountain Forest and Range Experiment Station (Ogden, Utah)
Series: Research note / Intermountain Forest and Range Experiment Station, U.S. Department of Agriculture, Forest Service -- no. 40; Research note (Intermountain Forest and Range Experiment Station (Ogden, Utah)) -- no. 40.
Publisher: Intermountain Forest and Range Experiment Station
Published: 1956
Place of publication: Ogden, Utah
Language: eng
Subjects: Protractors; Aerial photography in forestry
Notes: "December 1956"