You are absolutely correct. The Remington 760 is a pump, not bolt action rifle.

I'm a little puzzled as well regarding the comment about the .35 Remington being "worthless" for elk or moose, and would completely disagree if it's being implied that the .30-30 is better.

And, having used a .308 with 180 grain CoreLokts twice on elk, I'm afraid I'd also disagree about that combination "failing miserably" on elk. That statement drips with drama, but it's not true. There are quite a few statements in this post that, in actual practice, can be disproven or excepted.

Armed with a .22LR, a 12-gauge, and a .30-06, you're set to hunt anything on this continent. Invariably, the argument here will ensue that the .30-06 is inadequate for big bears (the big bears are in AK and Canada, if you have money to arrange a hunt in either, you have money to buy yourself a specialized rifle). I'll go one more and suggest that most of the magnums I see down here set up for "elk" are handicapped for an Alaskan hunt by having too much magnification on top of them, anyway.

My recommendation would be this: Keep the .35. Even if your dad never used it, it has sentimental value. It's more functional than you may have been led to believe on deer and bear, even on moose and elk. Replace the .30-30 with a 30-06. Top it with a fixed 4x or a variable 3-9x scope, no more. If there's a "jack-of-all-trades", workaday caliber out there, it has to be the .30-06, IMO.