Table 7.--Construction sand and gravel sold or used in the United States, by major use, 1984 and 19861/ (Thousand metric tons and thousand dollars) ----------------------------------------------------------------------------------------------------------------------------- 1984 1986 ----------------------------------- ----------------------------------- Use Value Value Quantity Value per ton Quantity Value per ton ------------------------------------------------------------------------------------------------------------------------------ Concrete aggregate (including concrete sand)--------- 178,638 678,617 3.80 198,682 814,860 4.10 Plaster and gunite sands----------------------------- 7,882 33,487 4.25 9,116 39,972 4.38 Concrete products (blocks, bricks, decorative, etc.)- 9,934 40,066 4.03 14,764 55,648 3.77 Asphaltic concrete aggregates and other bituminous mixtures-------------------------------------------- 62,262 218,758 3.51 79,297 322,666 4.07 Road base and covering------------------------------- 101,246 287,521 2.84 116,221 354,740 3.05 Road stabilization (cement)-------------------------- 1,281 3,282 2.56 1,369 3,928 2.87 Road stabilization (lime)---------------------------- 1,171 2,445 2.09 817 3,342 4.09 Fill------------------------------------------------- 46,769 104,619 2.24 59,960 128,780 2.15 Snow and ice control--------------------------------- 5,098 14,317 2.81 5,259 17,210 3.27 Railroad ballast------------------------------------- 1,178 4,044 3.43 1,372 5,662 4.13 Roofing granules------------------------------------- 363 1,833 5.05 512 3,102 6.06 Other------------------------------------------------ 8,154 28,246 3.46 12,683 55,706 4.39 Unspecified: Actual and estimated------------------------------- 278,074 826,721 2.97 300,997 941,558 3.13 ------------------------------------------------------------------------- Total or average2/------------------------------ 702,071 2,244,000 3.20 801,045 2,747,200 3.43 ------------------------------------------------------------------------------------------------------------------------------ 1/Sand and gravel became a biennial survey in 1981. No table by end use for the odd-numbered years is therefore available. 2/Data may not add to totals shown because of independent rounding and conversions to metric tons.