c/Geologic formations of the United States

Information
lexicalization	eng: Geologic formations of the United States
subclass of	e/Formation (geology)
has instance	e/Antrim Shale
has instance	e/Appekunny Formation
has instance	c/Stratigraphy of the United States
has instance	e/Cedar Mesa Sandstone
has instance	e/Chino Canyon (California)
has instance	e/Chuckanut Formation
has instance	e/Chugwater Formation
has instance	e/Cutler Formation
has instance	e/Decorah Shale
has instance	e/Entrada Sandstone
has instance	e/Fort Union Formation
has instance	e/Galena Group
has instance	e/Glenwood Shale
has instance	e/Latah Formation
has instance	e/List of mapped rock formations in Pennsylvania
has instance	e/Maquoketa Group
has instance	e/Monterey Formation
has instance	e/New Albany Shale
has instance	e/Nonesuch Shale
has instance	e/Passaic Formation
has instance	e/Platteville Limestone
has instance	e/Sioux Quartzite
has instance	e/Smoky Hill Chalk
has instance	e/St. Peter Sandstone
has instance	e/Stockton Formation