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21by Stall, John ByronSubjects: “...Stream measurements Illinois Kaskaskia River Basin....”
Published 1972
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22Published 1973Subjects: “...Weather control Illinois....”
Book -
23
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24
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25
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26Subjects: “...Hail control Illinois....”
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27
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28Published 1969Subjects: “...Precipitation (Meteorology) Illinois Measurement....”
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29by Terstriep, Michael L. (Michael Lee)Subjects: “...Crops and climate Illinois....”
Published 1976
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30Published 1981Subjects: “...Water resources development Illinois....”
Serial -
31
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32by Hay, Ralph C.Subjects: “...Drainage Illinois Vermilion River Watershed History....”
Published 1974
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33Subjects: “...Groundwater Illinois Mt. Simon Aquifer....”
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34