Browsing by Subject "D2.73.N2s/F2"
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Fourteenth census of the United States taken in the year 1920, Volume VII : Irrigation and drainage
(Government Priting Office, Washington, 1922) -
Fourteenth Census of the United States taken in the year 1920. Vol. III: Irrigation and drainage: General report and analytical tables and reports for States, with statistics for Counties
(Government Printing Office, Washington, 1922)