This yellow-orange transit notebook details the survey of Keweenawan rock by geologist, John Green, from 1988-1991. Samples were taken in Mineral Center, Grand Marais, Tofte, Finland, Duluth, Split Rock Point, Two Harbors, Babbitt, and Lakewood, Minnesota. Other areas included Kadunce Creek, Northern Lights Lake, Pigeon Point, Marr Island, and B...
Green, John C.
University of Minnesota Libraries, University Archives.