TY - RPRT TI - Morphology of extinct lava tubes and the implications for tube evolution, Chain of Craters Road, Hawaii Volcanoes National Park, Hawaii AU - K.M. Cooper AU - James P. Kauahikaua PY - 1992 DO - 10.3133/ofr92352 UR - https://pubs.usgs.gov/publication/ofr92352 ID - ofr92352 ER -