Laserfiche WebLink
Simulated Effects of Land-Use Change and Aggregate Mining on Groundwater Flow <br />40*06'N <br />40°04'N <br />40°0YN <br />40°N <br />39°59' <br /> EXPLANATION <br /> Lined pit <br /> Unlined pit <br /> Fines-backfilled pit <br />. \1'etland 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 groundwaicr-level decline. <br />_ 4to6 <br />2 to 4 <br />0 -2 to -2 <br />-4 to -2 <br />-6 to -4 <br />-8 to - 6 <br />-10 to -8 <br />Limit of simulated aquifer <br />Location of hydrograph pmsented in <br />figures 35A and 35B <br />0 5,000 10,000 FEET <br />1 1 1 i i t I 1 <br />0 1,000 2,000 3,000 METERS <br />fig <br />Figure34. 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 />Streams modified from U.S. Geological Survey National <br />HydrographyDatoser 1:100,000 <br />Roads modified from Colorado Department of Transportation <br />North American Datum of 1983