Western and High Cascade Volcanoes, Oregon
Aerial view eastward over ridges of the western Cascades to the High Cascade Volcanoes, Oregon (230129-46)
Download ImageThree Sisters volcanoes, OR (Pan)
Panorama of Three Sisters stratovolcanoes of the Oregon Cascade Range. (IP2510-1185lr)
Download ImageCoal deposits, Wyoming
Coal beds of the late Cretaceous Adaville Formation, Wyoming. The highway is US30 just west of Kemmerer. (260903-59)
Download ImageCoal deposits, Wyoming
Coal beds of the late Cretaceous Adaville Formation, Wyoming. (260903-58)
Download ImageFossil Butte, Wyoming
Paleocene-Eocene Wasatch Formation underlying the Green River Formation at Fossil Butte National Monument, Wyoming. The upper beds are the Fossil Butte Member. (260903-32)
Download ImageFreshwater fish fossils
Eocene Freshwater fish fossils of the Green River Formation, Fossil Butte National Monument, Wyoming. Each fish is about 5cm long. (260903-55)
Download ImageEocene bass, Wyoming (vertical)
Cockerellites liops, an Eocene Bass, Wyoming (260903-53)
Download ImageEocene fossil fish, Wyoming
Phareodus encaustus, a perch-like fossil freshwater fish of the Fossil Butte Member of the Green River Formation, Fossil Butte National Monument, Wyoming. Fish is about 25cm long. (260903-51)
Download ImageEocene stingray, Wyoming (vertical)
Heliobatis radians, Eocene freshwater stingray from the Fossil Butte member of the Green River Formation, Fossil Butte National Monument, Wyoming.
Download ImageFossil Butte, Wyoming
Paleocene-Eocene Wasatch Formation (reds) underlying the Green River Formation (tans) at Fossil Butte National Monument, Wyoming. (260903-35)
Download ImageErosional remnants of Wasatch Fm., WY
Paleocene-Eocene Wasatch Formation, western Wyoming (260903-32)
Download ImageGreat unconformity, western Wyoming
Great Unconformity below Palmer Peak (left of center), Gros Ventre Range, Wyoming: Paleozoic sedimentary rock on Archean gneiss. View from just north of Bondurant, Wyoming (260903-28)
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Archean gneiss, Montana (vertical)
Archean gneiss and the Madison River, SW Montana (260901-22)
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Crater and dome of Mt. St. Helens, WA
View over the crater and dome of Mt. St. Helens, Washington. In the background is Spirit Lake and Mt. Rainier. (260810-33)
Download ImageLahar, Mt. St. Helens, WA
Lahar from the 1980 eruption of Mt. St. Helens, Washington. (260810-17)
Download ImageSpirit Lake and Mt. Rainier, WA
View over Spirit Lake to Mt. Rainier from the crest of Mt. St. Helens, Washington. (260810-8)
Download ImageBasaltic dike intruding Yachats Basalt, OR
Breaking wave and basaltic dike intruding Upper Eocene Yachats Basalt. Cape Perpetua, Oregon (260730-18)
Download ImageKeystone Thrust fault, NV
Aerial view of Keystone Thrust fault, Nevada. Cambrian Bonanza King Formation, which makes up the gray, forested ridge, was emplaced over the tan and red Jurassic Aztec Sandstone. (260515-123)
Download ImageCrater Lake, Oregon
Aerial view of Crater Lake caldera, Oregon, Wizard Island, and old Mt. Mazama. View towards the north. (260515-28)
Download ImageErosional remmant, Utah
Erosional remnant of Jurassic Entrada Formation, southern Utah (260331-12)
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