Crater Lake geologic map On December 5, 2008 By geochristianIn Geology, Maps The USGS has released a new geologic map of Crater Lake, Oregon: A good geologic map is a work of art. Grace and peace Share this: Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Like Loading... Related