National Geologic Map Database
General Information
- Title: Preconstruction and postconstruction ground-water levels, lock and dam 1, Red River Valley, Louisiana
- Author(s): Ludwig, A.H.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Open-File Report OF-79-918
- Publication Date: 1979
- Map Scale: 1:62,500
- Cross Section: None
- North Latitude: 31° 23' 17" N (31.3880)
- South Latitude: 31° 0' 0" N (31.0000)
- East Longitude: 91° 45' 0" W (-91.7500)
- West Longitude: 92° 25' 1" W (-92.4170)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.