@misc{indiciaeebf1c3bdf7dc, title = {Cambrian and Precambrian rocks of the Groom district, Nevada, southern Great Basin}, author = {Harley Barnes and Robert L. Christiansen}, year = {1967}, doi = {10.3133/b1244g}, url = {https://pubs.usgs.gov/publication/b1244G}, note = {Source identifier: b1244G} }