Section 372.221 - Twin CitiesFor the purpose of determining commercial zones, utilizing the general population-mileage formula as set forth in §372.241, each of the following combinations of cities shall be considered as a single municipality:
(a) Having a population equal to the sum of their combined populations, and(b) Having boundaries comprised of their combined corporate limits, with the common portion thereof disregarded: (1) Bluefield, Va.-W. Va.(3) Davenport, Iowa, and Rock Island and Moline, Ill.(5) Harrison, Ohio-West Harrison, Ind.(6) Junction City, Ark.-La.(7) Kansas City, Mo.-Kansas City, Kans.(8) Minneapolis-St. Paul, Minn.(9) St. Louis, Mo.-East St. Louis, Ill.(10) Texarkana, Ark.-Tex.(12) Union City, Ind.-Ohio.41 FR 56654, 12/29/1976, as amended at 62 FR 15422, 4/1/1997