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St. Helens, United States
Official, Insert/poster-size map with accompanying report
Volcanic-Hazard Zonation for Mount St. Helens, Washington
Plate 1 in: Wolfe, E.W. & Pierson, T.C. (1995). Volcanic-Hazard Zonation for Mount St. Helens, Washington, 1995. U.S. Geological Survey, Open-File Report 95-497, 12 p., 1 plate. https://doi.org/10.3133/ofr95497

Hood, United States
Official, Insert/poster-size map with accompanying report
Volcano Hazards in the Mount Hood Region, Oregon
Plate Of1997 in: Scott, W.E., Pierson, T., Schilling, S.P., Costa, J., Gardner, C., Vallance, J.W. & Major, J. (1997). Volcano hazards in the Mount Hood region, Oregon. U.S. Geological Survey, Open-File Report 97-89, 14 p., 1 map. https://doi.org/10.3133/ofr9789