Pp. ix, 724; numerous black-and-white illustrations, some highlighted in red (geological maps, stratigraphic sections), 11 plates (very large folding color maps and charts) in slipcase, supplemental references on the tectonic evolution on Cordilleran orogeny on microfiche in pocket at rear of text volume. Publisher"s original color pictorial laminated cloth and color pictorial laminated cloth slipcase, 4to. This volume is in the Decade of North American Geology Project series, it is Geology of North America volume G-3. Signature of R. S. Rhodes II on the front endpaper. No signs of use.