Historical Geology Understanding Our Planet\'s Past

Figure 169The

paleogeography of the

Cretaceous period, showing

a major inland sea

Figure 170Cretaceous

Mancos shale and Mesa

Verde Formation, Mesa

Verde National Park,

Montezuma County,

Colorado.

(Photo by L. C. Huff,

courtesy USGS)

CRETACEOUS CORALS

NORTH

AMERICA

Inland
Sea