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)
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