2A. PLATEAU REGION. 47 



sent out from Florence to the state newspapers on Oct. 

 26, 1912, stated that the river bank was lined with white 

 oak and red oak cross-ties from there to the west end 

 of the county, and the value of the year's output from 

 that county alone was estimated at $125,000 (which 

 would mean enough for over 100 miles of railroad). De- 

 catur seems to be the greatest center of hardwood manu- 

 factures in the state, in proportion to population at least. 

 Quite a number of wood-working industries are located 

 also at Bridgeport, Huntsville, Florence and Sheffield., 



2. The Coal Region. 



This includes all those parts of the state where the 

 country rock is Coal Measures (Carboniferous proper, or 

 Pennsylvanian) . It can be divided for convenience, 

 though not very sharply, into two subdivisions, the 

 plateau region and the basin region. The line of separa- 

 tion between them corresponds approximately with the 

 northern boundary of Walker and Jefferson Counties. 



A. The Plateau Region. 



(Figures 9-13.) 



This sub-region includes all the Coal Measures north 

 of the Tennessee River (i. e., the spurs of the Cumber- 

 land Mountains in Madison and Jackson Counties), the 

 main body of similar rocks down to the line named in the 

 preceding paragraph, commonly called Sand Mountain, 

 and two isolated plateaus a little farther east. Chandler 

 Mountain and Lookout Mountain. It is a continuation of 

 the Cumberland Plateau of Kentucky, East Tennessee 

 and Northwest Georgia, and covers about 3,100 square 

 miles in Alabama. 



References. — Harbison, Harper 2, Harper 3, McCalley 

 2 (5, 16-40, 52-75, 81-96), McCalley 3 (15-218), Mohr 5 

 (89, 110), Mohr 6 (95, 118), Mohr 7, Mohr 8 (20, 69-80), 

 Smith 4 (59-60, 97-104), Smith 6 (36, 37, 68-69, 103-106, 

 108-110, 120), Smith 7 (213-214, 217, 296, 390-398, 404- 

 411, 438), Smith 9 (9-10), Toumey 2 (160-161). 



