Browsing by Author "Green, Jeffrey A."
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Item Canton Area Dye Tracing- Canton Stormwater Estavelle and Highway Runoff Receptor Sinkholes, Fillmore County, MN(2020-06) Green, Jeffrey A.; Alexander, E. Calvin Jr.; Alexander, Scott C.; Barry, John D.Item Ironwood Spring Dye Trace and Groundwater Assessment Olmsted County, Minnesota(2021-07) Barry, John D.; Alexander, E. Calvin Jr.; Green, Jeffrey A.Item Karst hydrogeology of LeRoy Township, Mower County, Minnesota(Minnesota Geological Survey, 1997) Green, Jeffrey A.; Mossler, J.H.; Alexander, S.C.; Alexander, E.Calvin, Jr.Item Meyer’s Basin Springshed & Forlorn River Springshed dye traces 1996-1999 Fillmore County, Minnesota(2021-01) Green, Jeffrey A.; Barry, John D.; Alexander, E. Calvin Jr.; Alexander, Scott C.This report presents the findings of nine dye traces that were conducted from 1996-1999 as part of ongoing groundwater mapping efforts between the Fillmore Soil and Water Conservation District (SWCD), Department of Natural Resources (DNR), and the University of Minnesota (U of M). The traces were conducted in an active karst area located west of the Forestville State Park main unit. The October 1999 traces presented in the report were a duplicate trace that utilized automatic water samplers to collect dye breakthrough curves. Groundwater travel time from the sinkhole located in the Stewartville Formation to the spring emerging at the base of the Cummingsville Formation was determined to be 1.5 miles/day.Item OFR 07-07, Bedrock geology, topography, and karst feature inventory of Steele, Dodge, Olmsted and Winona Counties(Minnesota Geological Survey, 2007) Tipping, R.G.; Mossler, J.H.; Alexander, E. Calvin, Jr.; Gao, Y.; Green, Jeffrey A.; Alexander, S.C.Final Project Report Regulating contaminant sources and addressing remediation of contaminated sites is difficult in sensitive karst areas because of the unpredictable nature of groundwater movement in solution-weathered bedrock. In this project, the Minnesota Departments of Health, Natural Resources and the Minnesota Pollution Control Agency partnered with the Minnesota Geological Survey and the Department of Geology and Geophysics – University of Minnesota, to develop better tools to understand and manage point and non-point sources on contamination in karst terrains. Contaminant Management in the Karst Region Contract with MGS, also includes summary information for 319 Karst Demonstration ProjectItem RI-61 Hydrogeology of the Paleozoic bedrock in southeastern Minnesota(Minnesota Geological Survey, 2003) Runkel, A.C.; Tipping, R.G.; Alexander, E. Calvin, Jr.; Green, Jeffrey A.; Mossler, J.H.; Alexander, S.C.Item South Orion Township Dye Trace(2021-09) Barry, John D.; Larsen, Martin R.; Stacken, Jacob C.; Stacken, Adele C.; Stacken, Ansel A.; Alexander, E. Calvin, Jr.; Green, Jeffrey A.