This mini-spiral notebook contains the field notes of geologist, John Green, of the Gabbro Lake Quadrangle in the northwest half of Pre-Keweenawan from July 16th, 1962 to august 16th, 1964. One hundred and sixty nine samples were taken in two hundred and seven locations, including Garden Lake, Pysetone Falls and Moose Lake. Samples are listed wi...
Green, John C.
1962-07-16 - 1964-08-16
University of Minnesota Libraries, University Archives.