Barry, John DGreen, Jeffrey ALarsen, Martin RAlexander Jr., E Calvin2020-01-272020-01-272020-01https://hdl.handle.net/11299/211392This report presents the findings of dye tracing that was conducted in 2018 in southern Olmsted County, Minnesota in the Galena-Spillville Karst System. 3 traces were completed to refine the boundaries between Billy’s Springshed and the Devil’s Den springshed and to investigate flow paths at three tightly spaced sinkholes on a bedrock peninsula.enkarstspringspringshedsinkholehydrogeologygroundwatertraceOrion Sinkhole Plain - Devil’s Den Spring Complex; Olmsted County, Minnesota; 2018 Dye Trace ReportReport