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This generalized regional geologic map of the Lake Mead National Recreation Area was compiled from the state geologic maps for Nevada and Arizona. The seven rock-unit colors represent general subdivisions based on geologic origin and geologic age. Click here to see a location map on a Landsat satellite image base. Click here to see a summary of the geologic history of the park. Click here for information about the Stratigraphy of Lake Mead National Recreation Area. |
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