Alexander Jr., E. Calvin2017-03-272017-03-271996https://hdl.handle.net/11299/185397University of Minnesota, Department of Earth Sciences. Integration of mapped underground cave passages surveyed in Mystery Cave and dye vectors in the area flowing to Seven Springs, Saxifrage Springs, and/or Moth and Grabau Springs. Image updated in 1996. Data subject to change please contact author for more information.endyecave passageunderground riverroot riverspringstream sinksinkholemystery cavedisappearing riversaxifrage springseven springcrayfish springmoth springgrabau springtracetracingkarsthydrogeologyconduit flowdubuquestewartvillegalenaordovicianMap