Geology of North America

(3). Bulletin of Canadian Petroleum Geology. September 1999.  Hoffman, P.F. 1989: Precambrian geology and tectonic history of North America. In: Bally,

北美洲簡介（英语：Outline of North America） 北美洲地理（英语：Geography of North America） 北美洲地質（英语：Geology of North America） 山脈列表 洛磯山脈 洛磯山地質（英语：Geology of the Rocky Mountains）

(1917). Notes on the age of the continental Triassic beds in North America with remarks on some fossil vertibrates. Proceedings of the United States National

Columbia Gazetteer of North America USGS – Valley and Ridge Province Pennsylvania Geology Map（页面存档备份，存于互联网档案馆） Geological Structure of Pennsylvania Drake

Ben A. Van Der Pluijm (Editor), 1996, Basement and Basins of Eastern North America, Special Paper Geological Society of America ISBN 978-0-8137-2308-2