108°0'0"W 106°0'0"W 104°0'0"W
Park Range SEDGWICK Ui nta Upl Sand Was ift LOGAN MOFFAT h B JACKSON LARIMER Axial asin PHILLIPS Basi WELD h n U ROUTT
Arc plift
Ancestral Front Range MORGAN reek
Blue R
as C GRAND 40°0'0"N BOULDER White River Uplift YUMA 40°0'0"N RIO BLANCO iver BROOMFIELD WASHINGTON EXPLANATION Dougl GILPIN V ADAMS all Ancestral Rockies sedimentary Centr Eagle ey DENVER units at or near the surface with Piceance Basin al C Paleozoic Carbonates at depth CLEAR ARAPAHOE olor Basin GARFIELD SUMMIT CREEK JEFFERSON ado EAGLE Paleozoic Carbonate units at or near the surface Trough LAKE DOUGLAS Ancestral Rockies and Paleozoic Upper Arkansas Valley Woodland KIT CARSON Sawatch Range Park block ELBERT Carbonate units have been removed PITKIN by erosioin exposing Precambrian Uncompaghre Uplift PARK basement LINCOLN Laramide Basin outlines where MESA Ute Pas the Eagle Basin-Central Colorado DELTA s U pli CHEYENNE Troughunits are at great depths GUNNISON ft EL PASO TELLER Neogene Uplift
CHAFFEE Neogene Basin FREMONT MONTROSE KIOWA Laramide Uplift Axis Mountai Wet CROWLEY Laramide Basin Axis San Luis Uplift n V PUEBLO Ancestral Rockies Uplift Axis OURAY alley SAGUACHE 38°0'0"N SAN MIGUEL Sangre de C Ancestral Rockies Basin Axis 38°0'0"N HINSDALE CUSTER BENT PROWERS OTERO Mountainous Region Apishapa U DOLORES SAN JUAN r MINERAL isto R HUERFANO plift RIO GRANDE ALAMOSA ange
San Luis B Raton Basin MONTEZUMA LAS ANIMAS BACA LA PLATA ARCHULETA CONEJOS asin COSTILLA
108°0'0"W 106°0'0"W 104°0'0"W
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Figure 11b-01-01-01. Eagle Basin-Central Colorado Trough sedimentary bedrock aquifers. Geologic boundaries modified from Tweto (1979); structural features from Hemborg (1996) Colorado Geological Survey ON-010 Colorado Groundwater Atlas.