1 Railroad ballast and "Other" sand combined to avoid disclosing individual
company confidential data. 
2 Data do not add to total shown because of independent rounding. 
 512 MINERALS YEARBOOK, iust 
 
 
Table 7.—Sand and gravel sold or used by producers, by classes of operations
and uses 
(Thousand short tons and thousand dollars) 
 1966 1967 
Class of operation and use ~~ity Value Quantity Value 
Commercial operations: 
Sand: 
Construction: 
 Building 2,351 $2,209 2,011 $1,643 
 Paving 990 918 1,127 1,059 
 Railroadballast (1) (1) 
    Fill 785 680 847 682 
    Other ~ '  12 17 21 
 Industrial sand: 
    Other   1 1 
 Total 4,137 3,819 4,003 3,406 
 
Gravel: 
Construction: 
 Bujiding 1,293 1,545 1,174 1,158 
 Paving 5,500 6,414 5,230 5,073 
 Railroad ballast 84 106 2 3 
 Fill 259 222 34 29 
 Other 1 1 1 1 
 Miscellaneous 101 120 177 186 
 Total 7,238 8,408 6,618 6,450 
 Total sand and gravel 11,37512,227 10,621 9,856 
 
Government-and-contractor operations: 
Sand: 
 Paving 549 549 240 225 
 
Gravel: 
 Building 18 6 15 8 
 Paving 1,602 1,397 863 789 
 Total 1,615 1,403 878 797 
 Totalsandandgravel 2,164 1,952 1,118 21,021 
 
All operations: 
 Sand 4,686 4,368 4,243 3,631 
 Gravel 8,858 9,811 7,496 7,247 
 Total 13,539 14,179 11,739 10,878