Miami valley: The country along the two Miami rivers, including Shelby county on the north and Madison and Brown counties on the east.
Scioto valley: South of Franklin county, including Adams and Lawrence counties.
Central: Including Union, Knox, Perry, and Franklin counties, and the area within these limits.
Wisconsin.
Southwestern: The counties bordering on either side of Mississippi river from La Crosse to Dubuque (Iowa).
Eastern: The portion between Lake Michigan, Lake Winnebago, and the Illinois line.
Southern: Dane and adjoining counties.
Iowa.
Keokuk: The southeastern corner of the state and adjacent portions of Illinois and Missouri.
Tennessee.
Eastern: All the mountain district, with the extreme southwestern part of Virginia.
Western: From Mississippi river to and including the tier of counties east of the Tennessee.
Northern: The northern half of the interior portion.
Southern: The southern half of this portion.
South Carolina.
Northwestern: North and west of a line from Lancaster to Columbia. As no other portion of the state has been examined under direction of the Bureau, only the name of the state is used herein, reference being always to this section.