National Geologic Map Database
General Information
- Title: Hydrogeologic characteristics of Hourglass and New Years Cave Lakes at Jewel Cave National Monument, South Dakota, from water-level and water-chemistry data, 2015–21
- Author(s): Medler, C.J.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Scientific Investigations Report SIR-2022-5108
- Publication Date: 2022
- Map Scale: 1:235,000
- Cross Section: None
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