Immature Cow Woolly Mammoth tusk discovered in the river. Being the same color of the gravel and partially exposed, it was difficult to view. As I was entering the river from this position, a young grizzly bear burst out from the bush crossing the river and ran directly towards me. Not taking any notice of me, he then dove on a salmon and ran down the entire length of the gravel bar only to run back, again, towards me. He stopped a few feet away, slowly looked at me then crossed the river and returned to the bush whence he came. An eventful day...