This page UNDER CONSTRUCTION.
64.1 millions years old (early Paleocene)
D1 - Denver Formation - includes rocks known as the Denver Formation, Arapahoe Conglomerate, and part of the Dawson Arkose. See Formations for more information.
This page UNDER CONSTRUCTION.64.1 millions years old (early Paleocene)
D1 - Denver Formation - includes rocks known as the Denver Formation, Arapahoe Conglomerate, and part of the Dawson Arkose. See Formations for more information.