North American Database of Archaeological Geophysics
Database Report:
Site Name: Effigy Mounds National Monument (5); Site Number: _____; County: Clayton; State: IA; Country: USA; Ownership: Federal-NPS; Landform: River Terrace;
Date of Site: AD 500-1300; Period Type: Prehistoric; Culture: Late Woodland; Site Type: Mounds; Site Size: 1,481 acres;
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Survey Type: Magnetic Gradiometry;
Instrument: Geometrics G858 Cesium Vapor Magnetometer; Sampling Interval: 10 samples per second/meter; Prospecting Depth: 1-1.5 m; Area Surveyed: 2,000 sq m; Date of Survey: 10-May-1999 to 14-May-1999; Land Cover Type: Mowed Grass; Ground Truthing: No;
Graphics/Imagery:
Magnetic
gradient of the Linear Mound; |
Highlighted
features at the Linear Mound; |
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Project Name: Effigy Mounds, IA (5);
Reference: Watters, M.S. (1999). Geophysical Work Conducted with the Geometrics G858 Cesium Vapor Magnetometer at Effigy Mounds National Monument, IA. As part of the U.S. National Park Service Workshop: "Recent Advances in Archeological Prospection Techniques," May 10-14, 1999. Submitted to the Midwest Archeological Center, U.S. National Park Service, Lincoln, Nebraska.
Survey by: Meg Watters, Geophysical Survey Systems, Inc., 13 Klein Drive, North Salem, NH 03072-0097, Phone: (603) 893-1109, Fax (603) 889-3984, E-mail: Meg@geophysical.com
Survey for: Midwest Archeological Center, U.S. National Park Service;
Report Location: Midwest Archeological Center, U.S. National Park Service, Lincoln, NE; Report Type: CRM Report;