@misc{indiciae31b853c0a996, title = {Aeromagnetic map of Mt. St. Helens, Washington: Post May 1980 eruption}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1982}, doi = {10.3133/ofr82659}, url = {https://pubs.usgs.gov/publication/ofr82659}, note = {Source identifier: ofr82659} }