Sand and gravel having a silica content of more than 95 percent may be 

 used for glass sand, foundry sand, engine sand, abrasive sand, filter 

 sand, and flux in the smelting of metal ores and in the manufacturing of 

 sil icones." 



Table 28 from Corey (1976) provides the various quantities and dollar 

 values of sand and gravel used for specific purposes in Alabama in 1972 and 

 1973. 



Virtually all sand and gravel in coastal Alabama is mined from open pits, 

 and whenever the deposits are overlain by shallow water, a dredge is used for 



Table 28. Alabama: sand and gravel sold or used by producers, by class of 

 operation and use (thousand short tons and thousand dollars). 



Class of operation and use 



1972 1973 



Quantity Val ue Quantity Val ue 



Commercial operations: 

 Sand: 



Building 

 Fill 



Fire or furnace 

 Paving 

 Other uses 3 

 Total b 



Gravel : 

 Bui 1 ding 

 Fill 

 Pavi ng 



Mi seel laneous 

 Other uses^ 

 Total b 



Government-and-contractor operations: 

 Sand: Paving 

 Gravel : Paving 



Total sand and gravel b 



1,796 



1,937 



2,491 



2,832 



a Includes blast (1973), engine, molding, chemicals (1972), railroad 



ballast, and other industrial sands. 

 b Data may not add to totals shown because of independent rounding. 

 C W = Withheld to avoid disclosing individual company confidential data; 



included with "Other uses." 

 d Includes railroad ballast (1973) and other gravel. 



121 



