Ground water atlas of the United States
Subtitle: Segment 9 : Iowa, Michigan, Minnesota, and Wisconsin
By: by Perry G. Olcott
Series: Hydrologic investigations atlas -- 730-J; Hydrologic investigations atlas -- HA-730-J
Publisher: The Survey
Published: 1992
Place of publication: Reston, Va
Language: eng
Number of pages: 31
Subjects: Groundwater; Maps
Notes: Includes bibliographical references.