Application of the geographic information system to permit management in Illinois.
By: R. B. Dale and D. Downing.
Contributors: Downing, D.
Publisher: s.n
Published: 1987
Place of publication: S.l
Notes: In Proc. Nat. Symp. on Mining, Hydrology, Sedimentology and Reclamation. Univ. KY, Lexington. 4pp.

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