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GENERALID <br /> Stream ID TM-Al-STR- Stream Name: South Platte River <br /> 01 <br /> Lat: 39.99196 Long: -104.82893 Date: 7/6/2017 <br /> Project Name: Tucson South Mine Client: Aggregate Industries <br /> Investigators: J. Heule, C. Ansari <br /> Flow Regime: Perennial Water Type: RPW Photo ID: <br /> CHANNEL FEATURES <br /> Estimate Measurements Stream Erosion <br /> F-op of Bank Width (feet): 1 250 Stream Erosion: Moderate <br /> Top of Bank Height(feet): 4ft Artificial, Modified, or Channelized: Yes <br /> LB (feet): 4 Dam Present: No <br /> RB (feet): 4 Sinuosity: Medium <br /> Water Depth in. : 3 ft. Gradient: Flat 0.5-100ft <br /> Water Width (feet): 40 <br /> High Water Mark(inches): 220 <br /> FLOW CHARACTERISTICS <br /> Water Present: Yes Flowing Water Proportion of Reach Re resented by Stream Morphology Types: <br /> Velocity: Moderate Moderate Riffle(%): 5 Pool (%): 10 Run (%): 85 <br /> Turbidity: Slightly turbid <br /> Other: <br /> SUBSTRATE COMPONENTS <br /> Inorganic Substrate Components—Should add to 100% Or anic Substrate Components—Does not necessarily add to 100% <br /> %Composition in %Composition in <br /> Substrate Type Diameter Sampling Reach Substrate Type Characteristic Sampling Reach <br /> Bedrock 0 Detritus Sticks, wood, coarse 5 <br /> plant materials CPOM <br /> Boulder >256mm (10") 5 Muck—Mud Black, very fine grain <br /> _ organic <br /> Cobble 64-256mm 2.5"-10" 5 Marl Grey, shell fragments <br /> Gravel 2-64mm 0.1"-2.5") 60 <br /> Sand 0.06-2mm (gritty) 20 <br /> Silt 0.004-0.06mm 5 <br /> Clay <0.004mm slick 5 <br /> WATERSHED FEATURES <br /> Predominant Surrounding Land Use: ❑ Forest ❑ Industrial(gravel quarry) <br /> ® Field/Pasture ❑ Residential <br /> ® Agricultural Other: <br /> ® Commercial <br /> Indicate the dominant type: ❑ Trees ❑ Grasses <br /> ® Shrubs ❑ Herbaceous <br /> Canopy Cover: Partly shaded <br /> Floodplain Width: Wide(over 30 ft) Wetland Present: ❑ Yes ❑ No Wetland ID: <br /> AQUATIC VEGETATION <br /> Indicate the dominant type and record the dominantspecies resent: <br /> ❑ Rooted emergent ❑ Rooted submergent ❑ Rooted floating Free floating <br /> ❑ Floating algae I Attached algae Z None ❑ Reed canary grass <br /> MACROINVERTEBRATES OR OTHER WILDLIFE OBSERVED/OBSERVATIONS AND NOTES <br /> Fish observed in stream, (1-2' long). Canopy includes 10%cover of cottonwood and peach leaf willow. <br />