Quaternary geologic map of the Chicago 4⁰ x 6⁰ quadrangle, United States /
| Corporate Authors: | , |
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| Other Authors: | , , |
| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, Va. :
The Survey,
1983.
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| Series: | Quaternary geologic atlas of the United States.
Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-1420 (NK-16) |
| Subjects: |
| Item Description: | Relief shown by contours and spot heights. Depths shown by isolines and soundings. Title on envelope: Quaternary geology, Chicago 4⁰ x 6⁰ quad., U.S. "Prepared in cooperation with the Illinois State Geological Survey [and others]." "Compiled in 1978-1980." Includes text, ancillary maps, "Correlation of map units." Covers parts of Illinois, Indiana, Michigan, Ohio and Wisconsin. Cartographic material. |
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| Physical Description: | 1 map : color ; 44 x 51 cm., on sheet 74 x 139 cm., folded in envelope 30 x 24 cm. |
| Bibliography: | Includes bibliographical references. |