Browse Illinois State Water Survey (ISWS) by Author "Ackermann, William C."

  • Ackermann, William C. (Illinois State Water Survey, 1968)
    This letter concerning the cost of wells and pumps represents one product of research currently under way at the Illinois State Water Survey on the cost of water resources development. Parallel studies are going forward ...

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  • Ackermann, William C.; Smith, Harman F. (Illinois State Water Survey, 1973)

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  • Stout, Glenn E.; Ackermann, William C. (Illinois State Water Survey, 1974)

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  • Changnon, Stanley A., Jr.; Ackermann, William C.; White, Gilbert F.; Ivens, J. Loreena; Caulfield, Henry P., Jr.; Drabek, Thomas; Landsberg, Helmut E.; Linsley, Ray K.; Marzolf, G. Richard; Milliman, Jerome W.; Thomas, William A.; Wellings, Flora Mae (Illinois State Water Survey, 1983)

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  • Ackermann, William C. (Illinois State Water Survey, 1959)
    A product of research studies at the Illinois State Water Survey has been the development of Illinois rainfall frequencies for periods of one hour to ten days. This information, summarized for easy reference in the ...

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  • Ackermann, William C. (Illinois State Water Survey, 1970)
    This letter is a re-issue of Illinois rainfall frequency relations that were presented in Technical Letter 1 (February 1959) and Technical Letter 4 (March 1960), which are now out of print. These data remain valid and have ...

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  • Ackermann, William C. (Illinois State Water Survey, 1959)
    The excessive lowering of water levels in lakes and farm ponds because of inadequate rainfall has prompted municipal officials to inquire how water in reservoirs may be conserved.

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  • Ackermann, William C. (Illinois State Water Survey, 1971)

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