Grand Canyon of Colorado - Published 1978
The Grand Canyon of Colorado map features a striking Landsat satellite image and a cross-section illustrating the geological layers of the canyon. Published in July 1978, this map is half of a two-map set. Its companion is entitled "The Heart of the Grand Canyon" and both maps appeared with two articles on the park.
Page Size: 35 x 22.5 in (887 x 568 mm)