LEGEND 
State boundary 
 
County boundary 
 
0 CapItal 
 
. City 
 
_______ Crushed stone/sand & gravel districts 
 
MINERAL SYMBOLS Ag Silver 
 
~.am Cement plant Clay Clay 
 
 CS Crushed Stone 
 
 Cu Copper 
 
D—D Dimension Dolomite D—S Dimension Sandstone 
 
 Fe Iron 
 
Gyp Gypsum 
 
IS Industrial Sand 
 
Uma Lime plant 
 
NSal Natural Salines 
 
Peat Peat 
 
 SG Sand and Gravel Situ Iron and Steel 
plant 
Principal Mineral—Producing Localities