@misc{indiciae7f6f44589268, title = {Physiographic diagrams of Mount St. Helens and vicinity, Washington, 1980}, author = {Tau Rho Alpha and J.G. Moore and J. M. Morley and D.R. Jones}, year = {1980}, doi = {10.3133/ofr80920}, url = {https://pubs.usgs.gov/publication/ofr80920}, note = {Source identifier: ofr80920} }