National Register Of Historic Places
Note: I have linked an article from Chronicles of Oklahoma that has a picture of Chief B.F.Smallwood, his home, and tombstone.
Coal County Historical & Mining Museum M-Sa 8:00 to 4:00 580/927-2360
National Register of Historical Places
County Seat: Coalgate, OK 74538
Wikipedia: Coal County, Oklahoma
National Register of Historic Places for Coal County, Oklahoma
Coal mining and agriculture have been the major sources of employment.