01114cam a22003011a 4500 agr40000563 DLC 20260227110959.0 781005s1940 dcuab f000 0 eng agr40000563 (OCoLC)4269775 DLC DSI OCoLC DNAL DLC premarc TA593 .K4 1 Ag84M no.404 B100 Kelsh, Harry T. (Harry Thomas), 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 Caption title. Contribution from Soil Conservation Service. Cartography. Aerial photography. Slotted templet method for controlling maps made from aerial photographs. Miscellaneous publication (United States. Department of Agriculture) ; no. 404. 10056 10056