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1Published 2001Subjects: “...Conservation of natural resources Iowa Periodicals....”
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2Published 1998Subjects: “...Farm management Iowa....”
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3Published 1999Subjects: “...Selection (Plant breeding) Iowa....”
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4Published 1998Subjects: “...Selection (Plant breeding) Iowa....”
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5Published 2007Subjects: “...Selection (Plant breeding) Iowa....”
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6Published 2001Subjects: “...Prairie planting Iowa....”
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8Published 1999Subjects: “...Natural resources conservation areas Iowa....”
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9Published 2000Subjects: “...Conservation of natural resources Iowa....”
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10by Wisner, Robin J.Subjects: “...Soil surveys Iowa Tama County....”
Published 1995
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11by Voy, Kermit D.Subjects: “...Soil surveys Iowa Floyd County....”
Published 1995
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12by Brown, Melvin D.Subjects: “...Soil surveys Iowa Scott County....”
Published 1996
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13by Boeckman, Louis E.Subjects: “...Soil surveys Iowa Taylor County....”
Published 1996
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14by Dankert, Wayne N.Subjects: “...Soils Iowa Ida County Maps....”
Published 1998
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15by Jones, RobertSubjects: “...Soils Iowa Emmet County Maps....”
Published 1997
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16by Vobora, Robert J.Subjects: “...Soils Iowa Allamakee County Maps....”
Published 1998
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17by Boeckman, Louis E.Subjects: “...Soils Iowa Lucas County Maps....”
Published 1999
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18by Lucassen, John A.Subjects: “...Soils Iowa Jefferson County Maps....”
Published 1999
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19by Dideriksen, Robert O.Subjects: “...Soils Iowa Polk County Maps....”
Published 2000
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20by Wilson, J. HerbertSubjects: “...Soils Iowa Chickasaw County Maps....”
Published 1996
Government Document Book