American Atlantic Ports (North), large chart, 1920.

"American Atlantic Ports. North Sheet" large chromolithographic map published in Philips' Mercantile Marine Atlas, 1920. Many inset plans including Chicago, Boston, New York, and Montreal. Light crease across both lower corners, centrefold as published with slight age browning down fold. Size 66 x 50 cms plus margins. (Note - this is a digital camera image with uneven lighting.) Ref E7001