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<br />I <br /> 19 <br />I TABLE 6 <br /> FLOOD FREQUENCY - ELEVATION AND DISCHARGE DATA <br />I MIDDLE ST, VRAIN CREEK, BOULDER COUNTY, COLORADO <br />I lO-Year Flood 50-Year Flood lOO-Year Flood 500-Year Flood <br />Ref, Station Stream Bed Crest Peak Crest Peak Crest Peak Crest Peak <br />Point Fr. Mouth Elevation Elevation Discharge Elevation Discharge Elevation Discharge Elevation Discharge <br /> Number (Feet) Identif . (Ft. MSL) (Ft. MSL) (ds) (Ft. MSL) (ds) (Ft. MSL) (ds) (Ft, MSL) (ds) <br />I 91 4+50 7015.31) 7017.86 <;90.00 701'l.~1 1430.00 7020. H 2000.00 7023.34 4070.00 <br />I 91.8 9+20 7015.70 7017.81 590.00 7039.11 1430.00 7039.81 2000.00 7041.96 4070.00 <br />91.9 9+60 Forest Service Bridge 7037.00 7039.54 590.00 7042.03 2000.00 7044.30 4070.00 <br /> 7041.18 1430.00 <br />I 92.1 9+80 7017.00 7040.63 590.00 7042.63 1430.00 7043.55 2000.00 7046. 23 4070.00 <br /> 93 10+35 7039.60 1041.52 5'l0.aO 7043.13 1430.00 7044.04 2000.00 7047.41 4010.00 <br />I 94 15+75 7079.70 7082.fO 5'l0.00 7084.54 1430.00 7085.36 2000.00 1087.55 4070.00 <br />I 95 22+35 70%.30 709'1.17 591).00 1100.98 1430.00 7101.64 2000.00 7103.28 4010.00 <br />95.9 22+70 7091.00 7100.12 590.00 7102.35 1430.00 1103.01 2000.00 7104.02 4070.00 <br />I 96.1 22+85 7 O'l1. 00 7101.27 5'lO.00 7102.71 1430.00 7104.10 2000.00 7107.01 4070.00 <br /> 96,2 23+40 7098.00 7102.2J 590.0J 7104.68 1430.00 1105.10 2000.00 7107.13 4070.00 <br />I 97 28+75 7109.40 1112.20 590.00 7114.25 1430.00 7115.14 2000.00 1117.66 4070.00 <br />. 98 34+55 7126.50 712Q.37 590.00 7131.22 1430.00 7132.12 2000.00 7134.44 4070.00 <br />99 40+95 1146.20 7148.57 5qO.00 7 1 50. 13 1430.00 7150.18 2000.00 7152.56 4070.00 <br />I 100 46+05 7161.60 7H3.79 5'lO.00 7165.39 1430.00 7166.30 2000.0J 7168.65 4070.00 <br /> 101 52+35 11BJ.30 1186.03 590.00 1187.83 1430.00 1188.80 2000.00 1191.19 4010.00 <br />I 102 55+95 7;>01.80 7204.51 590.00 7206.33 1430.00 7201.16 2000.00 7209.56 4070.00 <br />I 102.9 56+50 Forest Service Bridge 7203.50 7206.25 5 ')0.00 7207.97 1430.00 1208.88 2000.00 7211.12 4010.00 <br />103.1 56+65 7203.50 1201.26 590.00 7209.43 1430.00 7210.45 2000.00 7215.22 4070.00 <br />I 103.2 57+20 1206.90 720Q.67 <; 90.00 1211.39 1430.00 7212.29 2000.00 7214.58 4070.00 <br />. <br />I <br />I <br />