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(1924) Annual Report Of the State Geologist, 1923-1924, Vol. 31. Natural Resources, Department of
(1924) Teacher qualifications for approved schools, 1924. Education, Department of
(1924) Soil Survey of Iowa. Report no. 34, Boone County soils, 1924. Iowa State University
(1924) Twelfth Report of the Iowa Library Commission to the Governor of Iowa for the Biennial Period July 1, 1922 to June 30, 1924. Library of Iowa, State
