As followup, I'm inferring from CamperMom's OP she's concerned with critters of the two-legged variety and is not confronted with Yosemite/Adirondack-quality bears (or bears in general in an area frequented by thieving, likely armed yahoos).

Smell-proofing is a good idea, regardless.

Last summer a friend and I came across a year-old camp in Desolation Wilderness, complete with canned food untouched by Sierra bears, so I know they don't find everything.

Cheers,