1930. Iowa. State Planning Board, Iowa Geological Survey, and Chariton Basin Planning Board (Iowa). [21] pages illustrations ; 29 cm. Iowa. State Planning Board.
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1930. Iowa. State Planning Board. 1 map on 4 sheets ; black line, plastic; on sheets 77 x 47 cm Some sheets oriented with north to the upper right. Iowa. State Planning Board.
1930. Iowa. State Planning Board. 1 map ; black line; 83 x 116 cm Negative. Iowa. State Planning Board.
1930. Iowa. State Planning Board. 1 map black line ; 83 x 115 cm Negative. "Iowa state plan.". Iowa. State Planning Board.
1930. Iowa. State Planning Board. 1 map ; black line; 84 x 116 cm Iowa state plan. Iowa. State Planning Board.
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. Iowa. State Planning Board. 1 volume (no pagination) illustrations ; 28 cm. Iowa. State Planning Board.
1930. Iowa. State Planning Board and Iowa. Highway Commission. 1 map black line ; 85 x 114 cm Road information from Iowa Highway Commission as of January 1, 1937. Iowa. State Planning Board.
1930. Iowa. State Planning Board. 1 map black line ; 83 x 115 cm Shows county boundaries and rivers. Negative. "Iowa state plan.". Iowa. State Planning Board.
1930. Iowa. State Planning Board. 1 map black line, plastic ; 85 x 116 cm Shows county and township boundaries and rivers. "Iowa state plan.". Iowa. State Planning Board.
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