01015cam a22002771 4500 agr39000351 DLC 20260227110957.0 780519s1939 dcuab s 000 0 eng c agr39000351 U.S. Dept. of agr. Library DLC DLC HD9235.P8 S7 1939 1Ag84Te no. 7 rev. 338.173491 Strowbridge, John William, 1869- Origin and distribution of the commercial potato crop, by J. W. Strowbridge ... [Washington, U.S. Govt. Print. off., 1939] 64 p. illus. (maps) diagrs. 23 cm. United States. Dept. of agriculture. Technical bulletin ; no. 7 Caption title. Contribution from Bureau of agricultural economics. "Issued July 1927; revised April 1939." Potatoes Marketing. Potatoes Statistics. Technical bulletin (United States. Department of Agriculture) ; no. 7. 9947 9947