Scale is approximate (W 93⁰--W 87⁰/N 47⁰--N 42⁰30ʹ) Relief shown with form lines. Includes cross-sections: On E.E. -- On C.D. -- On A.B. "Plate No. IIB." "The Milwaukee Litho. & Engr. Co." 69 x 59 centimeters Scale approximately 1:960,000 General Map Collection