Try the map room in Special Collections on the top floor of the Oklahoma Department of Libraries in OKC.
You will want the circa 1897-1998 survey plats. The notes are separate from the maps but are also useful.
I first learned about these from the then director of the Oklahoma Archaeological Survey, Don Wyckoff, way
back in the late 1970's, while walking the Honey Springs battlefield property of the late Lee Woodard. Don
told us that the land use patterns-fields, fence lines, roads, etc. at that period were considered to be largely
unchanged from the Civil War. Lee's property is now the bulk of the OHS park. He was a great friend.