@misc{indiciae7eebd963d1de, title = {Casto Ring Zone: A 4,500-km2 fossil hydrothermal system in the Challis Volcanic Field, central Idaho}, author = {R.E. Criss and E. B. Ekren and R.F. Hardyman}, year = {1984}, doi = {10.1130/0091-7613(1984)12<331:crzakf>2.0.co;2}, url = {https://pubs.usgs.gov/publication/70013982}, note = {Source identifier: 70013982} }