Panama: I.L. Maduro, nd [ca. 1910]. Broadsheet, 18 x 24 inches, two color maps and an elevation panorama. Folded into illustrated charcoal wrappers. Very good. Item #41556
First edition. A profile map of the proposed, and then unfinished, canal, with locks and dam indicated; the verso, a "History of the Panama Canal" is printed in 11 panels with illustrations featuring the railway needed for construction. OCLC locates two copies (Library of Congress, Brown).