7 C.F.R. § 27.93
The following markets have been determined, after investigation, and are hereby designated to be bona fide spot markets within the meaning of the act:
Southeastern; North Delta; South Delta; East Texas and South Texas; West Texas, Kansas and Oklahoma; Desert Southwest; and San Joaquin Valley. Such markets will comprise the following areas:
Southeastern
All counties in the states of Alabama, Florida, Georgia, North Carolina, South Carolina, and Virginia and all counties in the state of Tennessee east of and including Stewart, Houston, Humphreys, Perry, Wayne and Hardin counties.
North Delta
All counties in the states of Arkansas and Missouri and all counties in Tennessee west of and including the counties of Henry, Benton, Henderson, Decatur, Chester and McNairy counties and the Mississippi counties of Alcorn, Benton, Calhoun, Chickasaw, DeSoto, Grenada, Itawamba, Lafayette, Lee, Marshall, Monroe, Panola, Pontotoc, Prentiss, Tate, Tippah, Tishomingo, Union and Yalobusha.
South Delta
All counties in the state of Louisiana and all counties in the state of Mississippi not included in the North Delta market.
East Texas and South Texas
Texas counties east of and including Montague, Wise, Parker, Erath, Comanche, Mills, San Saba, Mason, Sutton, Edwards, Kinney, Maverick, Webb, Zapata, Star, and Hidalgo counties.
West Texas, Kansas, and Oklahoma
All counties in Kansas and Oklahoma, all Texas counties not included in the East Texas, South Texas, and Desert Southwest Markets, and the New Mexico counties of Union, Quay, Curry, Roosevelt, and Lea.
Desert Southwest
The Texas counties of Val Verde, Crockett, Terrell, Pecos, Brewster, Presidio, Jeff Davis, Culberson, Hudspeth and El Paso, all New Mexico counties except those included in the West Texas market, all counties in the state of Arizona and the California counties south of and including Riverside and Orange counties.
San Joaquin Valley
All California counties except those included in the Desert Southwest market.
7 C.F.R. §27.93