Plate No. 16: Yield of Cotton per square mile
Beginning in 1840 the Census Bureau conducted a census of agriculture every 10 years as part of the decennial count (additional five-year surveys were occasionally made as well). In 1997, responsibility for the Census of Agriculture was transferred to the Agriculture Department.

Julius Bien & Co. Lith. N.Y. Census Reports Volume VI: 12th Census of the US Taken in the Year 1900
Agriculture: Part II, Crops and Irrigation
William R. Merriam, Director
Department of the Interior
Washington, D.C.: U.S. Government Printing Office, 1902
Gould Library Government Documents