11. Yet the broader impact of sagebrush upon the ecology is its function as a living snow fence . 12. Others have put up snow fencing halfway up a hill to prevent riders from going too fast. 13. A snow fence replaced the chain-link fence, delaying the game a couple of minutes at the start. 14. Permanent snow fences can also consist of lines of closely spaced shrubs, conifer trees or maize stalks. 15. St . Louis police cordoned off areas and parking spots surrounding Reproductive Health Services with orange snow fences . 16. Foot-high snow fences were built to force snakes into six-inch ( 15-cm ) tunnels that went under Highway 17. 17. "The stalks in the field act like a snow fence , keeping the moisture on the field, " he said. 18. A . The snow fence was indeed put up there to keep snow and ice from avalanching off the roof. 19. "This is awesome, " shouted Chris Klug as he hung over the snow fence to hug his family and friends. 20. That section is receiving new heated third rail, switch heaters, and snow fences to reduce the impacts of inclement weather.
