@misc{indiciae2748247c20f3, title = {Correlation of ash-flow tuffs}, author = {W. Hildreth and G. Mahood}, year = {1985}, doi = {10.1130/0016-7606(1985)96<968:coat>2.0.co;2}, url = {https://pubs.usgs.gov/publication/70012948}, note = {Source identifier: 70012948} }