MAP OF THE OAKFIELD AND AKRON GYPSUM DISTRICTS 

 Ll^t of Workings- (I) mill; (2) shaft. Akron Gypsum Co.; (3, 4) shafts. American Gypsum Co.; (5, 6) test holes; (7) abandoned workings. Standard Plaster Co.; (8. 9) shafts; (10) mill, Niagara Gypsum Co.; (n. 14) sia ts; 

 (12, 13) mills, U. S. Gypsum Co. The proven gypsum territory near Akron is shown by dotted area. 



