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<br /> <br />TABLE 4 <br />STATE OF COLORADO <br />STREAMBANK EROSION STUOY 1988 <br /> <br />SUMMARY OF PRACTICES <br />S~reambank Pro~ec~ion Prac~ices <br /> <br /> Cost per Expected <br />Structural Practices Foot Life (yrs) O&M 1/ <br />Rock Riprap 100 50 2 <br />Anchored Trees 20 15 1 <br />Rock Jetty 200 50 4 <br />Jacks 10 40 3 <br /> <br />Veqetative Practices <br /> <br />Vegetated Buffer Strips <br />Vegetative Sprig Revetment <br />R i par i an Zon,e <br /> <br />10 <br />5 <br />2 <br /> <br />50 <br />50 <br />50 <br /> <br />2 <br />5 <br />5 <br /> <br />1/ O&M is expressed as a percentage of the original construction <br />cost. <br /> <br />41 <br />