“The Nature Conservancy is looking for volunteers to work on preserving Sycan Marsh east of Crater Lake.”. The work party will take place Friday August 8th through Sunday August 10th. Volunteers will remove fence for wildlife and rebuild a fenced exclosure. Sturdy hiking shoes, a long-sleeved work shirt and pants, hat, sunscreen, more needed. The Sycan Marsh acts as a preserve for locks of migrating waterfowl.