@misc{indiciaef45092421acf, title = {Age and progression of volcanism, Wrangell volcanic field, Alaska}, author = {D.H. Richter and James G. Smith and M. A. Lanphere and G. B. Dalrymple and B.L. Reed and Nora B. Shew}, year = {1990}, doi = {10.1007/bf00680318}, url = {https://pubs.usgs.gov/publication/70015881}, note = {Source identifier: 70015881} }