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History on the Lawn: Dr. Donald McLaughlin, The …
www.deadwoodhistory.com
DEADWOOD – Deadwood History, Inc. and the Deadwood Historic Preservation Commission will host a presentation by David Vardiman, Sanford Underground Research Facility Project Engineer for Geotechnical Design and Excavation, at 12:00 p.m. on Friday, July 19, …
www.fs.usda.gov › detail › blackhills › news-eventsMoon Walk features Whitewood Quartz Mining District - USDA ...
www.fs.usda.gov
Featured speaker, David Vardiman, Project Engineer for Geotechnical Design and Excavation, from Sanford Underground Research Facility in Lead will discuss ...
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