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USGS

See also sections on Geology & Ground-Water

UNITED STATES GEOLOGICAL SURVEY

• Water Resources of the United States
• Utah Water Science Center
• 1960 - A Primer on Water by Walter Langbein and Luna Leopold.
• Colorado Plateau Dust Storms

USGS data

• maps, aerial photos, satellite imagery
• real-time water data for the nation
• mean annual flow in cfs of Colorado, Green, San Juan & San Rafael
• mean annual flow in maf of Colorado, Green and San Juan
• mean annual and monthly flow at Lees Ferry in cfs
• mean annual flow in maf at Lee's Ferry since 1963
• monthly annual flow in cfs of Colorado, Green & San Juan
• photographic library
• Monitoring dust events in the Southwest

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