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Michigan sinkholes

filtration edu related results about 2.

karst - Michigan State University

An interpretive nature trail that visits the rims of these sinkholes and other karst and natural features of interest is ... Michigan Karst Conservancy, 2805 ...

Sinkhole - Michigan State University

Overview. Sinkholes are depressions in the landscape caused by the dissolution and collapse of subsurface limestone, dolomite, or gypsum. The term karst, first ...