Dakota, Purgatoire, Morrison, Ralston Creek, and Entrada Fms in southeast. Dakota, Morrison, and Entrada Fms in central mountains. Dakota, Burro Canyon, Morrison, Wanakah, and Entrada Fms in Gunnison River area. Dakota, Morriso (COKJde;0)

State	Colorado
Name	Dakota, Purgatoire, Morrison, Ralston Creek, and Entrada Fms in southeast. Dakota, Morrison, and Entrada Fms in central mountains. Dakota, Burro Canyon, Morrison, Wanakah, and Entrada Fms in Gunnison River area. Dakota, Morriso
Geologic age	Phanerozoic \| Mesozoic \| Jurassic Cretaceous
Original map label	KJde
Primary rock type	sandstone
Secondary rock type	mudstone
Other rock types	limestone
Lithologic constituents	Major Sedimentary > Carbonate > Limestone Sedimentary > Clastic > Mudstone Sedimentary > Clastic > Mudstone > Claystone Sedimentary > Clastic > Mudstone > Shale Sedimentary > Clastic > Sandstone
Map references	Tweto, Ogden 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.
Unit references	Tweto, Ogden 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.
Geographic coverage	Costilla - Custer - Delta - Eagle - Grand - Gunnison - Huerfano - Las Animas - Ouray - Park - Pitkin - Pueblo - Routt - Summit