Matches in DBpedia 2016-04 for { ?s ?p "The Crooked River caldera is a large and ancient volcano that straddles three central Oregon counties. The diameter of the caldera is about 41 km x 27 km and is notable for the welded tuff present in such locations as Gray Butte, Smith Rock, Powell Buttes, and Barnes Butte. The volcano is considered extinct and last erupted about 29.5 Ma."@en }
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- Crooked_River_caldera abstract "The Crooked River caldera is a large and ancient volcano that straddles three central Oregon counties. The diameter of the caldera is about 41 km x 27 km and is notable for the welded tuff present in such locations as Gray Butte, Smith Rock, Powell Buttes, and Barnes Butte. The volcano is considered extinct and last erupted about 29.5 Ma.".
- Q5187856 abstract "The Crooked River caldera is a large and ancient volcano that straddles three central Oregon counties. The diameter of the caldera is about 41 km x 27 km and is notable for the welded tuff present in such locations as Gray Butte, Smith Rock, Powell Buttes, and Barnes Butte. The volcano is considered extinct and last erupted about 29.5 Ma.".
- Crooked_River_caldera comment "The Crooked River caldera is a large and ancient volcano that straddles three central Oregon counties. The diameter of the caldera is about 41 km x 27 km and is notable for the welded tuff present in such locations as Gray Butte, Smith Rock, Powell Buttes, and Barnes Butte. The volcano is considered extinct and last erupted about 29.5 Ma.".
- Q5187856 comment "The Crooked River caldera is a large and ancient volcano that straddles three central Oregon counties. The diameter of the caldera is about 41 km x 27 km and is notable for the welded tuff present in such locations as Gray Butte, Smith Rock, Powell Buttes, and Barnes Butte. The volcano is considered extinct and last erupted about 29.5 Ma.".