Frosted templets aid the photo interpreter
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. 41; Research note (Intermountain Forest and Range Experiment Station (Ogden, Utah)) -- no. 41.
Publisher: Intermountain Forest and Range Experiment Station
Published: 1957
Place of publication: Ogden, Utah
Language: eng
Subjects: Photographic interpretation; Aerial photography in forestry
Notes: Caption title.

"February 1957."