TY  - BOOK
AU  - Kelsh,Harry T.
TI  - The slotted-templet method for controlling maps made from aerial photographs
T2  - Miscellaneous publication / United States Department of Agriculture
AV  - TA593 .K4
PY  - 1940///
CY  - Washington, D.C.
PB  - U.S. Dept. of Agriculture
KW  - Cartography
KW  - Aerial photography
N1  - Caption title; Contribution from Soil Conservation Service
ER  -