@misc{indiciae824a69f09867, title = {Geochronology of the St. Kevin granite and neighboring precambrian rocks, northern Sawatch Range, Colorado}, author = {R. C. Pearson and C. E. Hedge and H.H. Thomas and T.W. Stern}, year = {1966}, doi = {10.1130/0016-7606(1966)77[1109:gotskg]2.0.co;2}, url = {https://pubs.usgs.gov/publication/70221298}, note = {Source identifier: 70221298} }