Crevice Caves: Figure 1 Plan and vertical section of Pit H Cave on the Great Crack of Kilauea Volcano, Hawaii. Courtesy Don Coons.

DOI link for Crevice Caves: Figure 1 Plan and vertical section of Pit H Cave on the Great Crack of Kilauea Volcano, Hawaii. Courtesy Don Coons.

Crevice Caves: Figure 1 Plan and vertical section of Pit H Cave on the Great Crack of Kilauea Volcano, Hawaii. Courtesy Don Coons.