Single trace conducted in order to establish a connection from York Blind Valley to water flowing in the lower levels of Holy Grail Cave.
Funding for this project is provided by the Minnesota Environment and Natural Resources Trust Fund and the Clean Water, Land and Legacy Amendment. Time and resources were also provided by the Minnesota Cave Preserve.
Larsen, Martin R; Green, Jeffrey A; Barry, John D; Kasahara, Sophie M; Wheeler, Betty J; Alexander Jr., E Calvin.
2017 York Blind Valley Dye Trace Fillmore County, MN.
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