A B C D E F G H I J-K L M N O P Q-R S T U V W-Y
close this section of the libraryAerial photography in agriculture.(2)
View the documentAirphoto use in resource management : a survey of non-federal purchasers of Agricultural Stabilization and Conservation Service airphotos / by Orville E. Krause. Krause, Orville E. 1n Washington, D.C. : Economic Research Service, U.S. Dept. of Agriculture, 1969.
View the documentWorldwide use of airphotos in agriculture / . Dill, Henry W. (Henry Worthington) 1912- 4n Washington, D.C. : Economic Research Service, U.S. Dept. of Agriculture, 1967.