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Start Over You searched for: Subject Hydrology Remove constraint Subject: Hydrology Subject Alluvium Remove constraint Subject: Alluvium Data type Polygon Remove constraint Data type: Polygon

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1. Colorado DNR - Alluvial Aquifers

Colorado Division of Water Resources. This data set is the result of digitizing all fifteen 1 by 2 degree (1:250,000 scale) geologic quadrangle maps that encompasss Colorado to map allu... Colorado Department of Natural Resources.