Table 7.--Crushed stone sold or used by producers in the United States, by method of transportation1/ (Thousand metric tons unless otherwise specified) -------------------------------------------------------------------------------------------------------- 1971 1972 1973 1974 Method of --------------------- ---------------------- --------------------- --------------------- transportation Quantity Percent Quantity Percent Quantity Percent Quantity Percent -------------------------------------------------------------------------------------------------------- Truck----------- 586,892 74 625,760 75 753,302 79 751,622 79 Rail------------ 78,571 10 92,156 11 89,604 9 85,674 9 Water----------- 64,550 8 57,294 7 70,526 7 73,184 8 Other----------- 22,988 3 24,149 3 28,800 3 34,436 4 Unspecified----- 40,329 5 34,283 4 18,063 2 -- -- Not transported- -- -- -- -- -- -- -- -- ---------------------------------------------------------------------------------------- Total2/---- 793,331 100 833,643 100 960,293 100 944,916 100 ---------------------------------------------------------------------------------------- 1975 1976 1977 1978 --------------------- ---------------------- --------------------- --------------------- Quantity Percent Quantity Percent Quantity Percent Quantity Percent ---------------------------------------------------------------------------------------- Truck----------- 655,034 80 655,188 80 699,471 81 774,148 81 Rail------------ 70,654 9 69,136 9 74,629 8 79,366 9 Water----------- 59,071 7 57,373 7 57,553 7 61,082 6 Other----------- 31,699 4 35,004 4 33,762 4 37,555 4 Unspecified----- -- -- -- -- -- -- -- -- Not transported- -- -- -- -- -- -- -- -- ---------------------------------------------------------------------------------------- Total2/---- 816,454 100 816,700 100 865,414 100 952,150 100 ---------------------------------------------------------------------------------------- 1979 1980 1981 1983 --------------------- ---------------------- --------------------- --------------------- Quantity Percent Quantity Percent Quantity Percent Quantity Percent ---------------------------------------------------------------------------------------- Truck----------- 816,349 82 733,600 82 657,037 83 657,222 84 Rail------------ 78,200 8 74,242 9 63,327 8 48,310 6 Water----------- 56,988 6 46,849 5 39,580 5 34,801 5 Other----------- 42,983 4 37,564 4 31,701 4 42,329 5 Unspecified----- -- -- -- -- -- -- -- -- Not transported- -- -- -- -- -- -- -- -- ---------------------------------------------------------------------------------------- Total2/---- 994,522 100 892,254 100 791,647 100 3/782,658 100 ---------------------------------------------------------------------------------------- 1985 1987 1989 --------------------- ---------------------- --------------------- Quantity Percent Quantity Percent Quantity Percent ------------------------------------------------------------------ Truck----------- 771,207 85 556,794 51 590,011 54 Rail------------ 44,298 5 45,754 4 46,049 4 Water----------- 35,866 4 26,554 3 36,046 3 Other----------- 56,537 6 24,465 2 109,455 10 Unspecified----- -- -- -- -- 319,245 29 Not transported- -- -- 435,173 40 -- -- ------------------------------------------------------------------ Total2/---- 907,908 100 1,088,740 100 1,100,807 100 -------------------------------------------------------------------------------------------------------- 1/Crushed stone became a biennial survey in 1981. No table by transportation for the even-numbered years is therefore available. 2/Data may not add to totals shown because of independent rounding and conversion to metric tons. 3/Total figure had been revised. Individual method of transportation revisions not available.