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1972 Astoria Canyon, Oregon-Washi … Geologic Atlas Astoria Canyon, Oregon-Washi … |
1975 Mount Baker, Washington. Mt. … Geologic Atlas Mount Baker, Washington. Mt. … |
1980 Mount Galway, Waterton Lakes … Geologic Atlas Mount Galway, Waterton Lakes … |
1973 Strait of Juan de Fuca and O … Geologic Atlas Strait of Juan de Fuca and O … |