@misc{indiciae4cfebcb90d6b, title = {Post-Cretaceous uplift of the Sioux Quartzite ridge in southeastern South Dakota}, author = {N.C. Koch}, year = {1986}, doi = {10.3133/ofr86419w}, url = {https://pubs.usgs.gov/publication/ofr86419W}, note = {Source identifier: ofr86419W} }