(DE. - MAR.- VA.)Chesapeake Bay And Vicinity Winter 1976-77, Dept of Int. - Geological Survey, 1978 This "Experimental Printing" captures a period of working on a new frontier of maps and Satellite images. With a "location diagram" map in the lower left giving reference, two large images illustrate the landscape and waterways, with a color code key to translate; "Evergreen and Winter Crops ... Red". Condition is good with some misfolds. Image size is approximately 33 x 38 (inches).