Medler, C. J. (2022). 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. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationMedler, Colton J. 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. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2022.
MLA (9th ed.) CitationMedler, Colton J. 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. U.S. Department of the Interior, U.S. Geological Survey, 2022.