1. Geologic map of the northeast flank of Mauna Loa volcano, Island of Hawai'i, Hawaii Yale Public content 2017. 2017-06-13T18:00:06Z. 2021-02-12T19:40:12Z. Trusdell, Frank A., cartographer. U.S. Geological Survey. English. cartographic image,text. Public. Hawaii, Mauna Loa (Hawaii Island), and Mauna Loa (Hawaii Island, Hawaii).