@misc{indiciaeae10fa7ec749, title = {Relation of fracture orientation to linear terrain features, anisotropic transmissivity, and seepage to streams in the karst Prairie du Chien Group, southeastern Minnesota}, author = {J. F. Ruhl}, year = {1995}, doi = {10.3133/wri944146}, url = {https://pubs.usgs.gov/publication/wri944146}, note = {Source identifier: wri944146} }