@misc{indiciae33e44205f0e0, title = {Structure associated with rock creep in the Black Hills, South Dakota}, author = {J.J. Norton and J. A. Redden}, year = {1960}, doi = {10.1130/0016-7606(1960)71[1109:sawrci]2.0.co;2}, url = {https://pubs.usgs.gov/publication/70207019}, note = {Source identifier: 70207019} }