1919. Soper, Edgar Kirke, 1886-. Peat Deposits of Beltrami County, Minnesota, showing location of soundings and depth of peat and topography of the surface of the bogs north of Red... Minnesota Geological Survey.
Search Results
1919. Soper, Edgar Kirke, 1886-. Peat Deposits of Koochiching County Minnesota, showing locations of drainage ditches, scale 1 inch = about 4 miles. Minnesota Geological Survey.
1919. Soper, Edgar Kirke, 1886-. Map showing Peat Deposits of Itasca County Minnesota, scale 1 inch = about 4 miles. Minnesota Geological Survey.
1919. 34 x 59 centimeters General Minnesota Maps. [Minnesota Geological Survey], (Minnesota).
1919. Rand McNally and Company. on sheet 71 x 56 centimeters Scale approximately 1:975,000 General Minnesota Maps. Rand McNally & Co., (Chicago).
1919. Leverett, Frank, 1859-1943 and Sardeson, Frederik W. Sheet 3, Map of the Surface (glacial landforms) Formations and agricultural conditions of the southern half of Minnesota, scale 1:500,000. Minnesota Geological Survey.