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Filters: Types: OGC WMS Layer (X) > partyWithName: Cornwall, Henry Rowland (X)

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Album Caption; Sunset Crater Volcano National Monument, Arizona. Flow structure in the top of a recent basalt flow at the mouth of a narrow channel from which lava flowed (lower right-hand corner). Aa plates are up-ended and oriented perpendicular to the direction of flow in the center. Plates and clinkers are strung out parallel to the direction of flow along the margins of the central part. 1949. Coconino County, Arizona.
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Album Caption: Craters of the Moon National Monument, Idaho. North Crater basalt flow. Picture taken from the crater rim looking down into the crater where the flow (light gray) welled up from the vent and poured out away from the camera breaching the far wall and flowed away to the right, carrying large hunks of cinder from the crater wall. 1952. Arco, Butte County, Idaho.
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Album Caption; Crater Lake National Park, Oregon. Crater Lake, looking south toward Wizard Island. 1950. Klamath County, Oregon.
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Album Caption: Craters of the Moon National Monument, Idaho. Aa margin (center) of a basalt flow that is mostly pahoehoe. 1952. Arco, Butte County, Idaho.
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Album Caption; Craters of the Moon National Monument, Idaho. Cross section of the upper part of a basalt flow. Aa top overlies basalt that decreases in vesicularity downward. 1952. Arco, Butte County, Idaho.
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Album Caption: Craters of the Moon National Monument, Idaho. Pahoehoe top of basalt flow. Lava flowed down and away from the camera. Note linear corrugations parallel to the direction of the flow on the steep slope in the foreground and the pileup of ropy lava, convex downstream, where the slope is gentler. 1952. Arco, Butte County, Idaho.
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Album Caption: Crater Lake National Park, Oregon. Crater Lake, looking west toward Wizard Island. 1950. Klamath County, Oregon.
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Album Caption: Sunset Crater Volcano National Monument, Arizona. Aa top of Bonito flow contains sandstone fragment (white patch above the hammer). 1949.
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Album Caption: Sunset Crater Volcano National Monument, Arizona. Aa flow top. Plates are oriented perpendicular to the direction of flow and the tops of up-ended plates bend toward the source of flow. 1949. Coconino County, Arizona.
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Album Caption: Craters of the Moon National Monument, Idaho. Toes of pahoehoe lava at the front of a small flow. 1952. Arco, Butte County, Idaho.
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Album Caption: Craters of the Moon National Monument, Idaho. Tongues of pahoehoe lava that flowed out at the front of aa flow. 1952. Arco, Butte County, Idaho.
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Album Caption: Craters of the Moon National Monument, Idaho. Lava tunnel in a basalt flow, called Indian Tunnel. 1952. Arco, Butte County, Idaho.
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Album Caption: Sunset Crater Volcano National Monument, Arizona. Aa flow top. Plates are oriented perpendicular to the direction of flow and the tops of up-ended plates bend toward the source of flow. 1949. Coconino County, Arizona.
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Album Caption:Craters of the Moon National Monument, Idaho. Basalt flow (North Crater flow) from a large cone contains a large block of cinder (center of photo) that was broken from the wall of the cone and rafted to its present position. 1952. Arco, Butte County, Idaho.


map background search result map search result map Margin of Bonito flow, Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Squeeze-up of basalt, Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Aa flow top, Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Aa flow top, Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Flow structure, basalt flow, Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Aa top of Bonito flow,  Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Hornito, Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Aa tops of basalt flows, Sunset Crater Volcano National Monument, Coconino County, Arizona.  1949. Aa tops of basalt flows, Sunset Crater Volcano National Monument, Coconino County, Arizona.  1949. Aa flow top, Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. North Crater flow, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. Aa margin, basalt flow, pahoehoe, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. Basalt flow cross section, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. Pahoehoe top of basalt flow, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. Indian Tunnel, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. North Crater basalt flow, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. Toes of pahoehoe lava, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. Tongues of pahoehoe lava, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. Crater Lake, Wizard Island, Crater Lake National Park, Klamath County, Oregon. 1950. Crater Lake, Wizard Island, Crater Lake National Park, Klamath County, Oregon. 1950. Margin of Bonito flow, Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Squeeze-up of basalt, Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Aa flow top, Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Aa flow top, Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Flow structure, basalt flow, Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Aa top of Bonito flow,  Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Hornito, Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Aa tops of basalt flows, Sunset Crater Volcano National Monument, Coconino County, Arizona.  1949. Aa tops of basalt flows, Sunset Crater Volcano National Monument, Coconino County, Arizona.  1949. Aa flow top, Sunset Crater Volcano National Monument, Coconino County, Arizona. 1949. Crater Lake, Wizard Island, Crater Lake National Park, Klamath County, Oregon. 1950. Crater Lake, Wizard Island, Crater Lake National Park, Klamath County, Oregon. 1950. North Crater flow, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. Aa margin, basalt flow, pahoehoe, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. Basalt flow cross section, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. Pahoehoe top of basalt flow, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. Indian Tunnel, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. North Crater basalt flow, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. Toes of pahoehoe lava, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952. Tongues of pahoehoe lava, Craters of the Moon National Monument, Arco, Butte County, Idaho. 1952.