Air and Land Quality DivisionIowa Dept. of Environmental Quality,
Copyright Date:
1979?
Description:
1 folded sheet (6 p.) : col. ill. ; 22 cm.
Reproduction Info:
Microfiche. Des Moines, Iowa : Distributed by Iowa Depository Library Center, State Library of Iowa, Distributed by Iowa Depository Library Center, State Library of Iowa, 1980. 1 microfiche : negative. s1980 iaun b
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