Irrigation map of the United States / engraved and printed by the U.S. Geological Survey ; outline of irrigated areas based upon data collected by the Bureau of the Census, 1910 ; revised by Irrigation Division, Office of Experimental Stations, and by the
MLA
of Farm Management, United States. Office. Irrigation Map of the United States / Engraved and Printed by the U.S. Geological Survey ; Outline of Irrigated Areas Based upon Data Collected by the Bureau of the Census, 1910 ; Revised by Irrigation Division, Office of Experimental Stations, and by The. Office of Farm Management, 1915. https://collections.library.yale.edu/catalog/15827813.
APA, 6th edition
of Farm Management, U. S. O. (1915). Irrigation map of the United States / engraved and printed by the U.S. Geological Survey ; outline of irrigated areas based upon data collected by the Bureau of the Census, 1910 ; revised by Irrigation Division, Office of Experimental Stations, and by the [Maps]. Office of Farm Management, https://collections.library.yale.edu/catalog/15827813.
