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Balk, Robert R.: Snowbank Structure (Box 11, Folder 05)
Grout, Frank F.: Snowbank Structure (Box 11, Folder 05)
Gruner, John W.: Knife Lake Slate Problem, 10 (Box 12, Folder 07)
Gruner, John W.: Knife Lake Slate Problem, 11 (Box 12, Folder 08)
Gruner, John W.: Knife Lake Slate Problem, 12 (Box 12, Folder 08)
Gruner, John W.: Knife Lake Slate Problem, 13 (Box 12, Folder 09)
Gruner, John W.: Knife Lake Slate Problem, 8 (Box 12, Folder 06)
Gruner, John W.: Knife Lake Slate Problem, 9 (Box 12, Folder 07)
Stauffer, Clinton R.: Book  15 (Box 11, Folder 10)
Thiel, George A.: Minnesota River Valley, 1 (Box 14, Folder 06)