Ala. Code § 45-11-11
The boundary line between Chilton and Bibb Counties shall be as follows: Commencing at the northwest corner of Township 21 north, Range 11 east, thence east along the township line between township 21 north and township 22 north to the southeast corner of the southwest 1/4 of the southwest 1/4 of Section 33, Township 22 north, range 12 east; thence north along the east line of the west 1/2 of the west 1/2 of sections 33, 28, 21, 16, 9 and 4, township 22 north, range 12 east; sections 33, 28, 21, 16, 9 and 4, township 23 north, range 12 east; sections 33, 28, and 21 to the northeast corner of the northwest 1/4 of the southwest 1/4 of said section 21, township 24 north, range 12 east; thence west along the north line of the south 1/2 of said section 21 to the southwest corner of the northwest 1/4 of said section 21.
Ala. Code § 45-11-11 (1975)