For a rifle that you'll Carry more than shoot, in .45/70, because bears are a possibility, I'd go with the Marlin 1895G ...... you'll have to find a used one though, as they don't appear on the Marlin site anymore.
here's a stainless one:
http://www.gunbroker.com/Auction/Vie...Item=209746315
and one in walnut and blue:
http://www.gunbroker.com/Auction/Vie...Item=210276770