Geil, SamuelWinchell, Alexander, 1824-1891Entered according to act of Congress in the year 1865 by Samuel Geil... Includes "Epitome of the geology of Michigan," population table, and inset of Isle Royale. 1 map: col.; 44 x 43 cm., folded in cover 14 x 10 cm.JPEG5f33c271-4f09-4ff6-b1c4-bba09a72380aengPublicRailroadsGeological map of Michigan; by Alexander Winchell.; Geil's map of MichiganMapsMichigan1869University of Michigan