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Description:: This topographic base map features the area of Pigeon Point, near Grand Portage, Minnesota. Individual islands are named, including Francis Island, Little Susie Island, Long Island, Prcupine Island, Brick Island, Little Brick Island, Susie Island, Lucille Island and Magnet Island. Bays are also named, including Little Portage Bay, Clark Bay, Mor...
Creator:: United States Geological Survey
Contributor:: Mudrey, Michael
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2022-03-22

Description:: This topographic field map depicts point of elevation were highlighted by geologists, William C. Phinney and Donald M. Davidson, Jr., in and around Alice Lake Quadrangle. Locations include Thomas Lake, Blissful Lake, Adams Lake, and Alice Lake.
Creator:: United States Geological Survey
Contributor:: Phinney, William C.; Davidson, Donald M. Jr.
Created:: 1960
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2022-03-22

Description:: This topographic field map depicts point of elevation were highlighted by geologists, William C. Phinney and Donald M. Davidson, Jr., in and around Alice Lake Quadrangle. Locations include Thomas Lake, Blissful Lake, Adams Lake, and Alice Lake.
Creator:: United States Geological Survey
Contributor:: Phinney, William C.; Davidson, Donald M. Jr.
Created:: 1960
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2022-03-22

Description:: This topographic field map depicts point of survey and locations where numbered samples were collected, by geologists, William C. Phinney and Donald M. Davidson, Jr., within Kekekabic Lake Quadrangle. Locations included Strup Lake, Wisini Lake, Gerund Lake, Ahmakose Lake, Fraser Lake and Thomas Lake.
Creator:: United States Geological Survey
Contributor:: Phinney, William C.; Davidson, Donald M. Jr.
Created:: 1959
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2022-03-22

Description:: This topographic field map depicts point of elevation highlighted by geologists, William C. Phinney and Donald M. Davidson, Jr., in and around Kekekabic Lake Quadrangle. Locations include Strub Lake, Wisini Lake, Ahmakose Lake, Gerund Lake, Fraser Lake, Thomas Lake and Sedative Lake, within the Minnesota State Forest.
Creator:: United States Geological Survey
Contributor:: Phinney, William C.; Davidson, Donald M. Jr.
Created:: 1959
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2022-03-22

Description:: This topographic field map depicts point of survey and locations where samples were collected, by geologist, Mark Severson, near Lieuna Lake in the Barrs Lake Quadrangle. Points of elevation are also highlighted.
Creator:: United States Geological Survey
Contributor:: Severson, Mark
Created:: 1954; 1976
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2022-03-22

Description:: This topographic field map depicts point of survey and locations where samples were collected, by geologist, Mark Severson, near Bird Lake in St. Louis County, Minnesota. Noritic rocks with vesicles are also identified.
Creator:: United States Geological Survey
Contributor:: Severson, Mark
Created:: 1981; 1983-1984
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2022-03-22

Description:: This topographic field map depicts point of survey and locations where samples were collected, by geologist, Mark Severson, along the Cloquet River and Boulder Creek in the Boulder Lake Northeast Quadrangle. Rock formations and eskers are indicated, as well.
Creator:: United States Geological Survey
Contributor:: Severson, Mark
Created:: 1957; 1976
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2022-03-22

Description:: This topographic field map depicts point of survey and locations where samples were collected, by geologist, Mark Severson, in Boulder Lake Quadrangle and around Boulder Lake Reservoir. Questionable rock formations and geological structures are noted.
Creator:: United States Geological Survey
Contributor:: Severson, Mark
Created:: 1953; 1969
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2022-03-22

Description:: This topographic field map depicts point of survey and locations where samples were collected, by geologist, Mark Severson, near Fredenberg, Minnesota and Fish Lake Reservoir. Points of elevation are also highlighted.
Creator:: United States Geological Survey
Contributor:: Severson, Mark
Created:: 1953; 1969
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2022-03-22