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Tube Name (text) e.g. Shovel Cave
Country (text) e.g. U.S.A.
State / Province (text) e.g. California
County (text) e.g. Siskiyou
Quadrangle (text) e.g. Indian Spring Mtn.
Volcanic Complex (text) e.g. Medicine Lake
Tube System (text) e.g. Giant Crater
Age of Flow (text) *****
Average Height (m) *****
Average Width (m) *****
Elevation (m) *****
Evidence for Erosion (text) *****
Floor Slope (m) *****
Lava Type (text) *****
Substrate (text) *****
Tube Length (m) *****
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