Title: 30-NMMNHS-Map of Arizona
Map of Arizona (southwestern USA), indicating the main localities mentioned in the text. The Grand Canyon National Park area is shaded dark brown (left). Stratigraphic section of the Pennsylvanian and Permian rocks exposed in the Grand Canyon area (right). Modified from Blakey and Knepp 1989.
Credit:
Copyright: © This image must include credit line and copyright statement.
Tags:
