MINERAL INDUSTRIES OF FLORIDA DURING 1916. 
BY E. H. SELLARDS. 
CONTENTS. 
Page 
Ball clay or plastic kaolin_ io 
Brick and tile_ io 
Fuller’s earth - 11 
Ilmenite and monazite_ n 
Lime, limestone and flint rock____._ 12 
Oil prospecting_ 12 
Peat _1 13 
Phosphate_ 13 
Sand and Gravel_ 15 
Sand-Lime Brick_ 15 
Water _ 16 
Summary statement of mineral production_ 16 
