J.G.Hall 1952 Sagehen Creek, 3 mi. NW Hobart Mills, Nevada Co., Calif. Aug 13 burrow. Lost sight of it upchannel. Commotion a small dam near crossing. 6:45 yearling moved from cove to lower dam, back to spit + from there to house under water, emerged by house cut willow- medium size + dove into house. 6:50 one sighted swim- ing under water from spit to N chan- el. Emerged at channel path, cut & fed on a willow in shallows. 6:54 yearling seen by house, swam down, then back to island, finally cut willow at S. dam. Meanwhile med. size beaver had swum past it & over to one of the 5 coves + come ashore to cut willows 20' from shore. This beaver is "scar-tail". At 7:00 it took cutting to cove swam + dove with it at the spit. 7:13 a medium-size beaver seen at grassy bank of the north fork, swimming down a- round bend with dead sticks. 7:16 up to 1st night cove to cut & eat in shallows. 7:18 ripples by burrow, 7:20 a beaver crossed over at crossing, dove near spit to reappear at the crossing and dove to appear at spit, then dove to appear at gravel island. 7:23 first beaver (at 1st night cove) swims down fork & disappears. Now both are lost to view.