@misc{indiciaefc75768177a9, title = {Mineral resources of the Richland Creek Wilderness Study Area, Newton and Searcy counties, Arkansas}, author = {Boyd R. Haley and Raymond B. Stroud and Robert L. Earhart}, year = {1980}, doi = {10.3133/ofr80354}, url = {https://pubs.usgs.gov/publication/ofr80354}, note = {Source identifier: ofr80354} }