The Mississippian and Pennsylvanian (Carboniferous) systems in the United States--Arizona /
by H. Wesley Peirce ; prepared in cooperation with the Arizona Bureau of Geology and Mineral Technology.

APA Citation

Peirce, H. Wesley (Howard Wesley)., University of Arizona. Bureau of Geology and Mineral Technology. (1981). The Mississippian and Pennsylvanian (Carboniferous) systems in the United States--Arizona. [Arizona]: State of Arizona, Bureau of Geology and Mineral Technology, Geological Survey Branch.

MLA Citation

Peirce, H. Wesley (Howard Wesley), and University of Arizona. Bureau of Geology and Mineral Technology. The Mississippian And Pennsylvanian (Carboniferous) Systems In the United States--Arizona. [Arizona]: State of Arizona, Bureau of Geology and Mineral Technology, Geological Survey Branch, 1981.