PERMFILE60752

• Permit No: C1989074
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: Exhibit F Hydrology
• Media Type: D
• Archive: No

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Doc Date:12/11/2001
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CONTENT S
III IIIIIIIIIIIIIIII
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Excerts from 'Hydrology of Area 61,
Northern Plains and Rocky Mt. Coal
Provinces, Colorado & New Mexico', USGS
Wator Resources Investigations Open File
Report 83-132, Dec. 1983
(1) 4.0 HYDROLOGIC NETWORKS, 4.2 Ground
Water Networks-The Data Base Includes
377 Sites
(2) 5.0 SURFACE WATER, 5.1 Stream Flow
Characteristics-A Large Percentage of
the Annual Runoff occurs in Spring and
(3) 5.0 SURFACE WATER, 5.2 Low Flow, High
Flow-A Frequency Curve Relates Magnitude
L~
Or a VarlaDle LO Lne rreguency Or YCCUrenCe
(4) 5.0 SURFACE WATER, 5.3 Duration of Flow-
Time Distribution of Streawflow Is Illus-
trated by the Flow-Duration Curve
(5) 2.0 GENERAL FEATURES, 2.4 Geology, 2.4.1
Stratigraphy-Precawbrian To Quaternary
Rocks Underlie Area
(6) 7.0 GROUND WATER, 7.1 Acquifers-Uncon-
solidated Sediwents and Bedrock Yield Swell
to Large Quantities of Ground Water
(7) 7.0 GROUND WATER, 7.2 Depth to Ground
Water-Ground Water Is Less Than 500 Feet Deep
(8) GROUND WATER, 7.3 Water Levels in Wells-
Water Levels in Wells Are Deterwined by
Acquifer Properties and Indicate the
Direction of Ground Water Flow
(9) 7.0 GROUND WATER, 7.4 Acquifer Tests-
(10) 8.0 GROUND-WATER QUALITY, 8.1 Major Ions
and Dissolved Solids-Ground-Water Quality
Deteriorates frow West to East Across Area 61
(11) 8.0 GROUND-WATER QUALITY, 8.2 pH and
Specific Conductance-pH and Specific Conduct-
ance Vary Among and Within Acquifers