300 
 1950 1955 1960 1965 1970 
 THE MINERAL INDUSTRY OF ALABAMA 55Figurel .—Value of coal, cement,
and iron ore, and total value of mineral productionin Alabama. 
 
Table 3.—Selected indicators of Alabama business activity 
 
1966 
1967 
Change 
(percent) 
Personal income: 
 
 
 
   Total millions~   Per capita:                              Housing construction
activity:   Units authorized thousands~   Valueof construction millions~Cash
receipts from farm marketings do - - -Mineral production do_..Foreign trade,
Mobile Customs District:   Value of exports do~~   Valueof imports do...

Total sales of electric energy_ - kilowatt—hours Consumption for industrial
purposes 
million kilowatt—hours.. - 
Monthly average employment: 
 Total nonagricultural thousands - 
 Manufacturing do Nonmanufacturing do.. 
$7,254 
$2,066 
 
10.1 
$116.8 
$647.2 
$249.8 
. 
$378.1 
$200.8 
26,467.1 
 
15,556.0 
 
929.3 
292.5 
636.8 
$7,668 
$2,166 
 
12.9 
$151.6 
$602.4 
$251.4 
 
$493.7 
$220.9 
28,161.9 
 
16,552.0 
 
939.9 
291.5 
648.4 
+5.7 
+4.8 
 
+27.7 
+29.8 
— 6.9 
+0.6 
 
+30.6 
+10.0 
+6.4 
 
+ 6.4 
 
+1.1 
—0.3 
+1.8 
U) 
0 
 
0 
 
C 
0 
 
 
E 
Ui 
 
-J 
 
> 
Source: U.S. Department of Commerce; Bureau of Business Research, University,
Ala. 
 
250 
 
200 
 
I 50 
 
I 00 
 
50 
 
0 
 
' 945