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1972 Astoria Canyon, Oregon-Washington. Geologic Atlas Astoria Canyon, Oregon-Washington. |
1975 Mount Baker, Washington. Mt. St. Helens, … Geologic Atlas Mount Baker, Washington. Mt. St. Helens, … |
1980 Mount Galway, Waterton Lakes National Pa … Geologic Atlas Mount Galway, Waterton Lakes National Pa … |
1973 Strait of Juan de Fuca and Olympic Mount … Geologic Atlas Strait of Juan de Fuca and Olympic Mount … |