Quantcast Figure 32. Vegetative geogrid during construction on the Upper Truckee River, California, near South Lake Tahoe

 
  
 
Appendix B: Bioengineering for Streambank Erosion Control -- Guidelines
Figure 32. Vegetative geogrid during construction on the Upper
Truckee River, California, near South Lake Tahoe. Note rock
toe that was keyed into channel bed and bank to prevent
undercutting. Photo was taken in October 1993.
Figure 33. Vegetative geogrid in July 1995, after two growing
seasons and an estimated 5-yr flood during the spring of 1995.
Note that live willow whips which were placed between the
layers of COIR fabric are sprouting and spreading. (Photo
courtesy of Ms. Catherine McDonald, Calif. State Parks)
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