Happy birthday to Hawai'i Island geologic map!
Detailed Description
A comparison of the 1946 Stearns and MacDonald map (left) and the 1996 BIMP map, digitized in 2005 (right), shows how the understanding of Hawai‘i Island's geology advanced over half a century. The Geologic Map of the Island of Hawaii is available online at http://pubs.usgs.gov/ds/2005/144/. Paper copies can be ordered from the USGS Publications Warehouse: https://pubs.er.usgs.gov/publication/i2524A (geologic map and explanatory pamphlet) and https://pubs.er.usgs.gov/publication/i2524B (sample map and explanatory pamphlet). Graphic from USGS General Interest Product 135.