26 FLORIDA GEOLOGICAL SURVEY-I3TH ANNUAL REPORT

 BRICK AND TILE

 The conditions prevailing during,the year 1918 were unfavorable to the brick and tile industry, due to governmental building restrictions, which of necessity reduced the demand and resulted in a decided decrease in the volume of business. The total number of common brick manufactured in Florida during 1918 was 17,56r,ooo. In addition to building brick, there was also produced tile, drain-tile and fire-proofing brick. The total value of brick and tile products for the year 1918 was $181,339.
 The following firms in Florida reported the production of brick during 1918:

 Barrineau Bros., Quintette.
 Campville Brick Company. Campville.
 Clay County Steam Brick Company, Green Cove Springs.
 Dolores Brick Company, Molino.
 Florida State Reform School, Marianna.
 Gamble & Stockton Co., io8 W. Bay St,, Jacksonville.
 G. C. & C. H. Guilford, Blountstown.
 Glendale Brick Works, Glendale.
 Hall & McCormac, Chipley.
 Keystone Brick Company, Whitney.
 Law & Co., Brooksville.
 Lee Miller, Whitney.
 Joe Messina, Palm Beach County.
 Ocklocknee Brick Company, Ocklocknee.
 Tallahassee Pressed Brick Company, Havana.
 Whitney Brick and Manufacturing Company, Whitney.
 Wilson-Owens Brick Company, Callahan.



 FULLER S EARTH

 The Fuller's earth industry of Florida was very active during 1918. The abnormal demand for fuel oils and gasoline had its reflection in the increased demand for Fuller's earth. The principal use of the Florida Fuller's earth is in clarifying and filtering mineral oils, although during recent years experiments with this earth in the refining of edible oils and fats have proven very satisfactory, and its use for this purpose is increasing. Florida has been the chief producer of Fuller's earth since the beginning of