PROFESSIONAL PAPER 1411-A
Geographic and structural features—PLATE 1

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a U.S. DEPARTMENT OF THE INTERIOR Geldon. AL, 2007 Geology of Paleozoic xs nthe Upper Clorad Fiver Basin in
science for achanging world U.S. GEOLOGICAL SURVEY ‘Arizona, Colorado, New Mexico, Utah, and Wyoming, excluding the San Juan Basin

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Gee, gook & woe ay INDEX MAP SHOWING LOCATION OF UPPER COLORADO RIVER BASIN
Caw WITH RESPECT TO PHYSIOGRAPHIC PROVINCES
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MOUNTAINS _ Molas UPPERCOLO! eo <—7~— Dome or doubly plunging ee Horst
UPPER COLORADO ausicline
RIVER BASIN ~—+—_ Thrust fault, teeth on upper
a plate
? ————_ Boundary of structural feature, shown only where boundary
& does not coincide with a fault
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ORADO
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= ia | Map of structural features modified from maps by Grose (1972), Baars (1983), and
113° 712° a ji ame Taylor and others (1983), based mainly on Williams (1964), Roberts and others (1965),
Ritzma (1969), Williams and Hackman (1971), Haynes and others (1972), Cashion
(1973), Hackman and Wyant (1973), Tweto (1976), Tweto and others (1976, 1978),
' ieoldodican Snyder (1980a, 1980b, 1980c), Hansen (1986a), Stone (1986), Blackstone and
! ant DeBruin (1987), and Lageson (1987) and on isopach and lithofacies maps prepared
| t) 25 50 75 100 MILES for this report.
it | | L
! T T T T
' 0 25 50 15 100 KILOMETERS Map of physiographic provinces modified from Howard and others (1972).
34° ! ! 34° STRUCTURAL FEATURES
mite! 110° 109°
1:2,000,000
CY) 25 50 75 100 MILES
i] 1 | | |
I T T T T
0 25 50 75 100 KILOMETERS
GEOGRAPHIC FEATURES

Fe ee ad GEOGRAPHIC AND STRUCTURAL FEATURES OF THE UPPER COLORADO RIVER BASIN AND VICINITY IN ARIZONA, COLORADO, NEW MEXICO, UTAH, AND WYOMING

U.S. base map, 1:2,500,000
By

Arthur L. Geldon
2002