@misc{indiciae545a1d14d61d, title = {Chemical composition of Precambrian, Paleozoic, Mesozoic and Tertiary rocks from east-central Alaska}, author = {Earl E. Brabb and Bette R. Hamachi}, year = {1977}, doi = {10.3133/ofr77631}, url = {https://pubs.usgs.gov/publication/ofr77631}, note = {Source identifier: ofr77631} }