1. Generalized geologic map of the southwest rift zone of Mauna Loa Volcano, Hawaii Yale Public content 1984. 2002-06-01T04:00:00Z. 2016-01-11T16:05:22Z. Lipman, Peter W. U.S. Geological Survey ; For sale by Branch of Distribution. English. cartographic image. Public. Hawaii, Mauna Loa (Hawaii Island), and Mauna Loa (Hawaii Island, Hawaii).