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  1. 1
    Promoting the spread of bigtooth aspen in Iowa /

    Promoting the spread of bigtooth aspen in Iowa / by Green, Alan W.

    Published 1961
    Subjects: “…Populus grandidentata Iowa.…”
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  2. 2
    Landscape evolution and soil formation in southwestern Iowa /

    Landscape evolution and soil formation in southwestern Iowa / by Ruhe, Robert V., 1918-1993

    Published 1967
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  3. 3
    Fast-starting species best in some Iowa plantations /

    Fast-starting species best in some Iowa plantations / by Green, Alan W.

    Published 1959
    Subjects: “…Fast growing trees Iowa.…”
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  4. 4
    Iowa forest resources 1974 /

    Iowa forest resources 1974 / by Spencer, John S.

    Published 1980
    Subjects:
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  5. 5
    The forest resources of Iowa /

    The forest resources of Iowa / by Thornton, Philip L.

    Published 1959
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  6. 6
    Physical land conditions on the Farmersburg-McGregor project, Clayton county, Iowa : (for use in farm conservation planning) /

    Physical land conditions on the Farmersburg-McGregor project, Clayton county, Iowa : (for use in farm conservation planning) / by Perfect, Dallas Eugene, 1906-, Sheetz, Donald Ackley, 1911-

    Published 1942
    Subjects: “…Soil erosion Iowa Clayton County.…”
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  7. 7
    Soil survey of Marion county, Iowa /

    Soil survey of Marion county, Iowa / by Orrben, C. L.

    Published 1939
    Subjects: “…Soils Iowa Marion County.…”
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  8. 8
    Physiographic history and the soils, entrenched stream systems, and gullies, Harrison County, Iowa /

    Physiographic history and the soils, entrenched stream systems, and gullies, Harrison County, Iowa / by Daniels, R. B. (Raymond Bryant), 1925-2009, Jordan, Robert H. (Robert Harrison), 1927-

    Published 1966
    Subjects: “…Soils Iowa.…”
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  9. 9
    Promising conifers for western Iowa /

    Promising conifers for western Iowa / by Erdmann, Gayne G.

    Published 1966
    Subjects: “…Conifers Iowa.…”
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  10. 10
    Water quality of Corydon Reservoir before implementation of agricultural best-management practices in the basin, Wayne County, Iowa, September 1990 to September 1991 /

    Water quality of Corydon Reservoir before implementation of agricultural best-management practices in the basin, Wayne County, Iowa, September 1990 to September 1991 / by Kalkhoff, Stephen J.

    Published 1993
    Subjects: “…Water quality Iowa Wayne County.…”
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  11. 11
    Water quality of Corydon Reservoir before implementation of agricultural best-management practices in the basin, Wayne County, Iowa, September 1990 to September 1991 /

    Water quality of Corydon Reservoir before implementation of agricultural best-management practices in the basin, Wayne County, Iowa, September 1990 to September 1991 / by Kalkhoff, Stephen J.

    Published 1993
    Subjects: “…Water quality Iowa Wayne County.…”
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  12. 12
    Weed control and fertilization in white pine plantings of western Iowa /

    Weed control and fertilization in white pine plantings of western Iowa / by Erdmann, Gayne G.

    Published 1965
    Subjects: “…White pine Iowa.…”
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  13. 13
    Farm land values in Iowa /

    Farm land values in Iowa / by Gray, L. C. (Lewis Cecil), 1881-1952

    Published 1920
    Subjects: “…Farms Valuation Iowa.…”
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  14. 14
    Investigation in erosion control and the reclamation of eroded land at the Missouri Valley Loess conservation experiment station, Clarinda, Iowa, 1931-42 /

    Investigation in erosion control and the reclamation of eroded land at the Missouri Valley Loess conservation experiment station, Clarinda, Iowa, 1931-42 / by Browning, G. M.

    Published 1948
    Subjects: “…Soil conservation Iowa.…”
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  15. 15
    Cost of producing hogs in Iowa and Illinois, years 1921-1922 /

    Cost of producing hogs in Iowa and Illinois, years 1921-1922 / by Steanson, Oscar

    Published 1926
    Subjects: “…Swine Iowa.…”
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  16. 16
    Economic evaluation of use of soil conservation and improvement practices in western Iowa /

    Economic evaluation of use of soil conservation and improvement practices in western Iowa / by Ball, A. Gordon

    Published 1957
    Subjects: “…Soil conservation Iowa.…”
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  17. 17
    Electricity on farms in the eastern livestock area of Iowa /

    Electricity on farms in the eastern livestock area of Iowa / by Davis, Joe F. (Joe Frank), 1904-

    Published 1950
    Subjects: “…Rural electrification Iowa.…”
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  18. 18
    Wooded strips in Iowa /

    Wooded strips in Iowa / by Hartong, A. L.

    Published 1956
    Subjects: “…Windbreaks, shelterbelts, etc. Iowa.…”
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  19. 19
    Native and planted timber of Iowa /

    Native and planted timber of Iowa / by Baker, Hugh P. (Hugh Potter), 1878-1950

    Published 1908
    Subjects: “…Forests and forestry Iowa.…”
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  20. 20
    Establishing vegetation on exposed subsoil in southern Iowa and northern Missouri /

    Establishing vegetation on exposed subsoil in southern Iowa and northern Missouri / by Moldenhauer, W. C.

    Published 1964
    Subjects: “…Soil conservation Iowa.…”
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