It is known only from the type locality, and a modern collection made from Marks Creek Township, Wake County, North Carolina, although Knudsen suggests that it may occur infrequently from Utah and the Colorado Plateau south into Mexico.
The Chaco Wash is an arroyo (a periodic stream) cutting through Chaco Canyon, which is located in northwestern New Mexico on the Colorado Plateau.
"High Country", a nickname for the Colorado Plateau, including the towns of Flagstaff, Sedona, Page, and Payson in northern Arizona
The deposit is in a breccia pipe on the Colorado Plateau of northern Arizona.
Contains approximaely 75 shaded topographic maps, for geology, etc, with 54 (23 pairs, (46)) for Colorado Plateau specifically; others are global, or North American.
Colorado | Colorado Springs, Colorado | Colorado River | University of Colorado | Boulder, Colorado | Colorado Springs | Colorado Rockies | Aspen, Colorado | Colorado State University | Colorado Avalanche | Telluride, Colorado | Vail, Colorado | Pueblo, Colorado | Fort Collins, Colorado | Vercors Plateau | United States District Court for the District of Colorado | Colorado Rapids | Colorado Plateau | Colorado School of Mines | Colorado House of Representatives | Trinidad, Colorado | Nederland, Colorado | Grand Junction, Colorado | Golden, Colorado | Colorado Territory | University of Northern Colorado | Jefferson County, Colorado | Greeley, Colorado | Colorado College | Colorado City, Arizona |
It is found mainly in Utah, Colorado, Arizona, and New Mexico, the Colorado Plateau states, although it can also be found in small portions of Nevada, Wyoming, and Durango, Mexico.
His seminal work included mapping much of the bedrock geology of the Colorado Plateau, particularly in geologic monographs concentrating on what is now the Navajo Nation in northeastern Arizona and southeastern Utah.
Dickinson is renowned for his work in plate tectonics, sedimentary geology and Pacific Oceana geology and is considered one of the foremost experts on the geology of the Colorado Plateau.