Hawaii Volcanoes National Park. Drill core from hole 68-2 drilled at Makaopuhi lava lake between November 6, 1968, and January 31, 1969. Depth is 0 to 17.0 feet. 1968. Figure 25-A, U.S. Geological Survey Professional Paper 1004.
Digital File:wtl00015

ID. Wright, T.L. 15