The slotted-templet method for controlling maps made from aerial photographs /
Kelsh, Harry T. 1889-
The slotted-templet method for controlling maps made from aerial photographs / [by Harry T. Kelsh]. - Washington, D.C. : U.S. Dept. of Agriculture, 1940. - 30 p. : ill., 1 map ; 23 cm. - Miscellaneous publication / United States Department of Agriculture ; no. 404 . - Miscellaneous publication (United States. Department of Agriculture) ; no. 404. .
Caption title. Contribution from Soil Conservation Service.
agr40000563
Cartography.
Aerial photography.
TA593 / .K4
1 / Ag84M no.404
The slotted-templet method for controlling maps made from aerial photographs / [by Harry T. Kelsh]. - Washington, D.C. : U.S. Dept. of Agriculture, 1940. - 30 p. : ill., 1 map ; 23 cm. - Miscellaneous publication / United States Department of Agriculture ; no. 404 . - Miscellaneous publication (United States. Department of Agriculture) ; no. 404. .
Caption title. Contribution from Soil Conservation Service.
agr40000563
Cartography.
Aerial photography.
TA593 / .K4
1 / Ag84M no.404