1930. Rutledge, Wiley, 1894-1949 and Iowa. State Planning Board. Business Research Committee. 43 pages ; 28 cm. Iowa. State Planning Board.
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1930. Murray, Laurence W., Bowman, Alfred B., and Iowa. State Planning Board. Committee on Urban Land Use and Traffic Studies. 12 leaves ; 29 cm. Iowa. State Planning Board.
1930. Iowa. State Planning Board. Committee on Land Purchase & Mortgage. 1 map ; black line; 84 x 115 cm Negative.; "Iowa state plan."; "Project 1031."; "1031-7.". Iowa. State Planning Board.
1930. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Department of Agriculture and United States. Agricultural Stabilization and Conservation Service.
1930. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Department of Agriculture and United States. Agricultural Stabilization and Conservation Service.
1930. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Department of Agriculture and United States. Agricultural Stabilization and Conservation Service.
1930. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Department of Agriculture and United States. Agricultural Stabilization and Conservation Service.
1930. Iowa. State Planning Board. 1 map black line ; 83 x 115 cm Negative. Shows pasture demonstration areas, park or other recreation sites, and lake and stream improvement. Iowa. State Planning Board.
1930. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Department of Agriculture and United States. Agricultural Stabilization and Conservation Service.
1930. Iowa. State Planning Board. Water Resources Committee. 1 map black line, hand colored ; 83 x 114 cm W.P.A. project no. 962. "Iowa state plan.". Iowa. State Planning Board.