Data release for the geologic map of the Fort Morgan 7.5'
quadrangle, Morgan County, Colorado
The Fort Morgan 7.5' quadrangle is located on the semiarid plains
of northeastern Colorado, along the South Platte River corridor where the
river has incised into Upper Cretaceous Pierre Shale. The Pierre Shale is
largely covered by surficial deposits that formed from alluvial, eolian,
and hillslope processes …