Here's what it says in the regulations book, and I'm pretty sure the national forest is a WMA at least the Ozark National Forest is.
Feeding and Baiting Wildlife
Baiting is the direct or indirect placing, exposing, depositing, distributing, or scattering of salt, grain or other feed that could serve to lure or attract wildlife to, on or over any areas where hunters are attempting to take them. An area is considered baited for 10 days following complete removal of bait.
Hunters may bait wildlife, except:
Alligators may not be hunted over bait.
Bears may not be fed or baited for any reason (including photography or viewing) except from 30 days before bear season through the end of bear season on private land in bear zones 1, 2, 5 and 5A.
Baiting is not allowed on wildlife management areas (scents or lures are legal as long as they do not mimic food).
Migratory birds, wild turkeys, waterfowl or crows may not be hunted over bait if the hunter knows, or should reasonably know, the area is baited (see Migratory Bird Baiting).