National Geologic Map Database
Product Description Page
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Title: Geologic and hydrologic aspects of tunneling in the Twin Cities area, Minnesota
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Author(s): Norvitch, R.F., and Walton, M.S.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Miscellaneous Investigations Series Map I-1157
- Publication Date: 1979
- Map Scale: 1:24,000
- Cross Section: Yes
- North Latitude: 45° 1' 1" N (45.0170)
- South Latitude: 44° 55' 8" N (44.9190)
- East Longitude: 93° 2' 35" W (-93.0430)
- West Longitude: 93° 19' 12" W (-93.3200)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.