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Official, Figure in hazard assessment
Map showing annual probability of 1 cm or more of tephra accumulation in Washington, Oregon, and northern California from eruptions throughout the Cascade Range.
Figure 4 in: Sherrod, D.R., Mastin, L.G., Scott, W.E. & Schilling, S.P. (1997). Volcano hazards at Newberry Volcano, Oregon. U.S. Geological Survey, Open-File Report 97-513, 14 p. https://doi.org/10.3133/ofr97513

Official, Figure on website
Map showing one-year probability of accumulation of 1 centimeter (0.4 inch) or more of tephra from eruptions of volcanoes in the Cascade Range.
Nathensen, M. (2013). Map showing one-year probability of accumulation of 1 centimeter (0.4 inch) or more of tephra from eruptions of volcanoes in the Cascade Range. U.S. Geological Survey. Mount Bachelor Hazards. https://www.usgs.gov/volcanoes/mount-bachelor/hazards

Official, Interactive web-based map
Oregon HazVu: Statewise Geohazards Viewer
Oregon Department of Geology and Moneral Industries (DOGAMI). (2012). Oregon HazVu: Statewide Geohazards Viewer.

Official, Map sheet or poster
Preliminary Overview Map of Volcanic Hazards in the 48 Coterminous United States
Mullineaux, D.R. (1978). Preliminary overview map of volcanic hazards in the 48 conterminous United States. U.S. Geological Survey, Miscellaneous Field Studies Map 786. https://doi.org/10.3133/mf786

Official, Figure in hazard assessment
Preliminary probabilistic tephra-hazard map for Pacific Northwest
Figure 2 in: Hoblitt, R.P., & Scott, W.E. (2011). Estimate of tephra accumulation probabilities for the U.S. Department of Energy's Hanford Site, Washington. U.S. Geological Survey, Open-File Report 2011-1064, 15 p. https://doi.org/10.3133/ofr20111064

Official, Figure on website
Simplified volcano hazards map of Mount Hood, Oregon
Scott, W.E., Pierson, T.C., Schilling, S.P., Costa, J.E., Gardner, C.A., Vallance, J.W., Major, J.J., Driedger, C.L., Iverson, R.M., Ramsey, D.W., & Faust, L.M. (2014). Simplified volcano hazards map of Mount Hood, Oregon. U.S. Geological Survey. Mount Hood, OR Simplified Hazards Map. https://www.usgs.gov/media/images/mount-hood-or-simplified-hazards-map (Modified from: U.S. Geological Survey, Open-File Report 97-89)

Official, Map sheet or poster
Tribal Lands and Volcano Hazards in the Pacific Northwest
Gardner, C.A. and Bard, J.A. (2021). How would a volcanic eruption affect your Tribe? U.S. Geological Survey General Information Product 209, https://doi.org/10.3133/gip209.

Official, Insert/poster-size map with accompanying report
Volcanic-hazard zones in the Cascades Range
Plate 1 in: Hoblitt, R. P., Miller, C. D., & Scott, W. E. (1987). Volcanic hazards with regard to siting nuclear-power plants in the Pacific Northwest. U.S. Geological Survey, Open-File Report 87-297. https://doi.org/10.3133/ofr87297

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
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