On 11 July 2013 two dyes (256.16g of sulforhodamine B (17.7 wt%) and 258.7 g of uranine (35wt%)) were poured into sinkholes in the area. A collaborative effort between the University of Minnesota and the Minnesota Department of Natural Resources. Funding for logistics and chemical analyses was also provided through the Legislative Citizen Commission on Minnesota Resources (LCCMR).
National Science Foundation Research Experience for Undergraduates (grant number EAR 1062775)
Phipps, Jacob D; LaQua, Alexa J; Alexander Jr., E. Calvin.
Dye Traces in Forestville Mystery Cave State Park.
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