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Start Over Year 1930 Place Iowa

51. Dickinson County, Iowa, 1939, aerial photomosaic index

Imagery University Of Iowa Public content
1930. Title supplied by cataloger based on information from sheet label. Image is a photoreduction of the mosaic created from original aerial photographs... United States. Department of Agriculture and United States. Agricultural Stabilization and Conservation Service.

52. Distribution of Iowa population, 1930

Maps University Of Iowa Public content
1930. Iowa. State Planning Board. Committee on Population Social Trends. 1 map black line ; 83 x 116 cm Negative. "Iowa state plan." "Project no. 1048.". Iowa. State Planning Board.

53. Distribution of urban population

Maps University Of Iowa Public content
1930. Iowa. State Planning Board. Committee on Population & Social Trends. 1 map black line ; 72 x 110 cm Iowa state plan. "Project no. 1048.". Iowa. State Planning Board.

54. Drainage basins areas drained by principal Iowa rivers

Maps University Of Iowa Public content
1930. Iowa. State Planning Board. Committee on Water Flow & Supply & Stream Pollution. 1 map black line ; 83 x 114 cm Iowa state plan. "Project 1044." "1044-1.". Iowa. State Planning Board.

55. Dubuque County, Iowa, 1937, aerial photomosaic index

Imagery University Of Iowa Public content
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.

56. Emmet County, Iowa, 1939, aerial photomosaic index

Imagery University Of Iowa Public content
1930. Title supplied by cataloger based on information from sheet label. Image is a photoreduction of the mosaic created from original aerial photographs... United States. Department of Agriculture and United States. Agricultural Stabilization and Conservation Service.

57. Employment in selected Iowa industries, 1923-1934

Maps University Of Iowa Public content
1930. Miller, J. Robert (John Robert), 1913- and Iowa. State Planning Board. Committee on Population and Social Trends. 81 leaves chiefly tables ; 29 cm. Iowa. State Planning Board.

59. Fact gathering and statistical work in Iowa

Maps University Of Iowa Public content
1930. Iowa. State Planning Board. Committee on Population and Social Trends and Bowen, Howard R. (Howard Rothmann), 1908-1989. 19 pages ; 28 cm. Iowa. State Planning Board.