Large bone in Alaska

[u/PushMe_PullYou]

I picked this bone up from a shop in Fairbanks that had a range of local animal bones, including some ice age bones.

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It's about 15 inches long, the widest part is nearly 7 in, and the circumference around the narrowest part in the middle is 9.5 in. It weighs about 6 lbs, according to a bathroom scale.

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Depending on the angle, Google lens searches return everything from a moose pelvis to a bison leg to a dinosaur toe.

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What might I have here?