STATISTICS ON 
MINERAL INDUSTRIES OF FLORIDA 
CALENDAR YEAR, 1914. 
BY E. H. SELLARDS. 
STATISTICS COLLECTED IN CO-OPERATION WITH THE UNITED STATES 
GEOLOGICAL SURVEY. 
CONTENTS. 
PAGE 
Clay and Clay Products----— - 14 
Ball clay or plastic kaolin --- 14 
Brick and tile- 14 
Clay tests for paving brick-- 15 
Fuller’s earth — : --- 19 
Lime —- 20 
Phosphate-—_—- 20 
Sand and gravel —- 23 
Sand-lime brick -—--— 23 
Water - 24 
Summary statement of mineral production in Florida during 1914_ 24 
