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Grout, Frank F.: Rove Slate Area, 2 (Box 10, Folder 03)
Grout, Frank F.: Rove Slate Area, 3 (Box 10, Folder 04)
Gruner, John W.: Rove Slate Area, 1 (Box 10, Folder 08)
Gruner, John W.: Rove Slate Area, 2, additional noted by G.M. Schwartz (Box 10, Folder 08)
Thiel, George A.: Marl, 1 (Box 16, Folder 05)
Thiel, George A.: Marl, 2 (Box 16, Folder 05)
Thiel, George A.: Marl, 3 (Box 16, Folder 06)
Thiel, George A.: Marl, 4 (Box 16, Folder 06)
Thiel, George A.: Marl, 5 (Box 16, Folder 07)