Paper (map): 12 1/4 x 36 7/8 in. (31.1 x 93.7 cm)
Paper (cover): 4 x 7 1/2 in. (10.2 x 19.1 cm)
Fold out pocket color map of the Panama Canal. N.D. but written as if before the opening of the canal.
New-York Historical Society Library
Due to ongoing research, information about this object is subject to change.