Map showing thickness and character of Quaternary sediments in the glaciated United States east of the Rocky Mountains - northeastern states, the Great Lakes, and parts of southern Ontario and the Atlantic offshore area (east of 8031ʹ west longitude) /
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| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, VA :
The Survey ;
1993.
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| Series: | Miscellaneous investigations series (Geological Survey (U.S.)) ;
map I-1970-A. |
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| Item Description: | Relief shown by contours. Depths shown by isolines. Includes text, bibliography, 1 index map, 2 ancillary maps, and 2 diagrams. Cartographic material. |
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| Physical Description: | 1 map : color ; 91 x 108 cm., on sheet 105 x 148 cm., folded in envelope 30 x 24 cm. |