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<br /> <br />40'06'N <br />40'04'N <br />40°0YN <br />40°N <br />39°56'1 <br />EXPLANATION <br />Lined pit <br />Unlined pit <br />Fines-backfilled pit <br />. Wetland mapped as part of this study <br />. Riparian herbaceous vegetation indicated by <br />Colorado Division of Wildlife (2007a, b) <br />Simulated groundwater-level change, in feet <br />Positive values indicate groundwater-level rise. <br />Negative values indicate groundwater-level decline. <br />_ 4 to 6 <br />?I 2to4 <br />-2 to -2 <br />F--1 -4 to -2 <br />J -{t to -4 <br />® -8 to 4 <br />-10 to-8 <br />Limit of simulated aquifer <br />Location of hydrograph presented in <br />figures 3';A and 35B <br />0 51000 10,000 FEET <br />0 1,000 2,000 300 METERS <br />Figure 34. Simulation 3-Groundwater-level changes in 2035 resulting from the potential extent of <br />reclaimed aggregate pits in 2020, Brighton to Fort Lupton, Colorado. <br />Simulated Effects of Land-Use Change and Aggregate Mining on Groundwater Flow <br />69 <br />Streams modified from U.S. Geological Survey National <br />HydrographyDataset;1:100,000 <br />Roads modified from Colorado Department of Transpottation <br />North American Datum of 1983