Κανονική προβολή Προβολή MARC Προβολή ISBD

Water quality in the eastern Iowa basins, Iowa and Minnesota, 1996-98 / by Stephen J. Kalkhoff...[et al.]. - [Reston, Virginia]: [U. S. Geological Survey], [U. S. Department of the Interior] [2000]. - iv, 37 p. : ill., maps, tables ; 28 cm. - 1210 .

Includes bibliographical references (p. 30-31).

ISBN: 0607954159

Subjects--Topical Terms:
Water quality--Iowa
Water quality--Minnesota
Watersheds--Iowa
Watersheds--Minnesota

Dewey Class. No.: 363.73942097776