| Dams, basins, mounds, and a snowshed have been built to stop or deflect avalanches, and explosives are used to bring down avalanches under controlled conditions. |
| Only one snowshed remained, with but a feeble bulwark of drifts before it. |
| Houston followed the figure toward the snowshed on the hill. |
| Engineering marvels such as a stone arch bridge, stone trestle pillars and wooden snowshed ruins can be seen up close at the trails and picnic areas. |
