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4,487 results returned

1. Title: Percent forest and waste lands

   • Not specified
   • 1930

   Contributors:

   • Iowa. State Planning Board. Committee on Forests & Wasteland

   Summary: 1 map black line ; 84 x 115 cm Negative. "Project 1033." "1033-3."

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2. Title: Forest purchase areas purchase areas for proposed national forests

   • Not specified
   • 1930

   Contributors:

   • Iowa. State Planning Board. Committee on Forests & Wasteland

   Summary: 1 map black line ; 83 x 114 cm Iowa state plan. "Project 1033." "1033-1."

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3. Title: Report on supply & industrial uses of flaxseed

   • Not specified
   • 1930

   Contributors:

   • Iowa. State Planning Board. Committee on Industry

   Summary: 16, 3 leaves illustrations ; 29 cm

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4. Title: Report on state hospitals for mental diseases

   • Not specified
   • 1930

   Contributors:

   • Iowa. State Planning Board. Committee on Health

   Summary: 14, 18 leaves

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5. Title: Midwestern airways

   • Not specified
   • 1930

   Contributors:

   • Iowa. State Planning Board. Committee on Transportation

   Summary: 1 map ; black line; 83 x 114 cm Negative.; "Iowa state plan."; "Project 1036."; "1036-9."

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6. Title: Interstate truck lines concentration of through truck traffic on cross state highways

   • Not specified
   • 1930

   Contributors:

   • Iowa. State Planning Board. Committee on Transportation

   Summary: 1 map black line ; 83 x 114 cm Iowa state plan. "Project 1036." "1036-5."

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7. Title: Intrastate truck lines concentration of truck lines near urban centers

   • Not specified
   • 1930

   Contributors:

   • Iowa. State Planning Board. Committee on Transportation

   Summary: 1 map black line ; 84 x 114 cm Negative. "Iowa state plan." "Project 1036."

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8. Title: Railway system Iowa

   • Not specified
   • 1930

   Contributors:

   • Iowa. State Planning Board. Committee on Transportation

   Summary: 1 map black line ; 83 x 115 cm Negative. "Iowa state plan." "Project no. 1036." "1036-1."

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9. Title: Report on library service in Iowa, circa 1935

   • Not specified
   • 1930

   Contributors:

   • Brown, C. H.
   • Iowa. State Planning Board. Committee on Public Education

   Summary: 55 leaves ; 28 cm

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10. Title: Soil conservation and the proposed districts law

    • Not specified
    • 1930

    Contributors:

    • Iowa. State Planning Board. Committee on Soil Conservation

    Summary: 85 pages in various pagings ; 29 cm

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11. Title: Average farm size average size of farms by district, 1932

    • Not specified
    • 1930

    Contributors:

    • Iowa. State Planning Board. Committee on Land Utilization

    Summary: 1 map black line ; 84 x 115 cm Negative. "Iowa state plan." "Project 1030." "1030-10."

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12. Title: Iowa crop yields 1928-1932 averages by counties bushels or tons per acre

    • Not specified
    • 1930

    Contributors:

    • Iowa. State Planning Board. Committee on Land Utilization

    Summary: 1 map black line ; 83 x 116 cm Negative. "Iowa state plan." "Project no. 1030."

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13. Title: Acreage in pasture percent of effective acreage in pasture 1932

    • Not specified
    • 1930

    Contributors:

    • Iowa. State Planning Board. Committee on Land Utilization

    Summary: 1 map black line ; 83 x 113 cm Negative. "Effective acreage = total farm land leass land in forest, waste, buildings, roads, and feed lots." "Iowa state plan." "Project 1030." "1030-30."

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14. Title: Use of crop land distribution of total land in crops into the principal crops, by region, 1932

    • Not specified
    • 1930

    Contributors:

    • Iowa. State Planning Board. Committee on Land Utilization

    Summary: 1 map black line ; 84 x 114 cm Negative. "Iowa state plan." "Project 1030." "1030-27."

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15. Title: Gross farm income gross farm income by counties as percent of state average 1930, state average $6073.474

    • Not specified
    • 1930

    Contributors:

    • Iowa. State Planning Board. Committee on Land Utilization

    Summary: 1 map black line ; 71 x 110 cm Iowa state plan. "Project 1030." "1030-11."

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16. Title: Permanent pasture & forest Iowa percent of total farm area recomended for forest or permanent pasture based on soil survey by Soils Dept., Iowa State College

    • Not specified
    • 1930

    Contributors:

    • Iowa. State Planning Board. Committee on Land Utilization

    Summary: 1 map black line ; 83 x 113 cm Negative. "Iowa state plan." "Project 1030."

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17. Title: Families on relief families on relief for the first seven months of 1934

    • Not specified
    • 1930

    Contributors:

    • Iowa. State Planning Board. Committee on Land Utilization

    Summary: 1 map black line ; 84 x 115 cm Negative. "Project 1030." "1030-13."

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18. Title: Use of farm land Iowa effective acreage, or all land in farms, less acres in forest, wasteland, buildings, roads

    • Not specified
    • 1930

    Contributors:

    • Iowa. State Planning Board. Committee on Land Utilization

    Summary: 1 map black line ; 84 x 114 cm Negative. "Iowa state plan." "Project no. 1030." "1030-22."

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19. Title: Erosion by soil areas relative occurence of erosion in various soil areas of Iowa

    • Not specified
    • 1930

    Contributors:

    • Iowa. State Planning Board. Committee on Soils Survey

    Summary: 1 map black line ; 83 x 113 cm Iowa state plan. "Project 1034." "1034-2."

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20. Title: Synoptical map of existing Iowa agriculture

    • Not specified
    • 1930

    Contributors:

    • Iowa. State Planning Board. Committee on Land Utilization

    Summary: 1 map ; black line; 84 x 113 cm Negative.; "Iowa state plan."; "Project 1030."

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