Table 1.--U.S. historical salient construction sand and gravel statistics1/
                                           (Thousand metric tons unless otherwise specified)

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                                            1971        1972         1973        1974         1975        1976
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Construction sand and gravel:
  Quantity--------------------------     810,511     802,673      866,049     794,310      691,414     775,863
  Value-----------thousands---------  $1,057,602  $1,088,315   $1,249,305  $1,278,331   $1,190,341  $1,603,794
Exports:
  Quantity2/------------------------       1,568       1,652        1,582       2,047        2,920       1,032
  Value2/---------thousands---------      $6,745      $7,178       $8,597     $11,664      $15,047      $2,436
Imports for consumption:
  Quantity--------------------------         649         690          726         357          339         265
  Value-----------thousands---------      $1,228      $1,379       $1,576        $839         $777        $624
                                    ---------------------------------------------------------------------------
                                            1977        1978         1979        1980         1981        1982
                                    --------------------------------------------------------------------------
Construction sand and gravel:
  Quantity--------------------------     814,562     873,892      857,744     692,273    e/625,958     538,868
  Value-----------thousands---------  $1,817,000  $2,053,000   $2,144,000  $1,996,000 e/$1,928,000  $1,674,000
Exports:
  Quantity2/------------------------       1,118       3,865          807       1,156        1,148       1,023
  Value2/---------thousands---------      $2,808     $29,270       $4,924      $8,141       $8,752      $8,077
Imports for consumption:
  Quantity--------------------------         318         567          319         455          302         168
  Value-----------thousands---------        $623      $2,084         $721      $1,143       $1,987      $1,479
                                    --------------------------------------------------------------------------
                                            1983        1984         1985        1986         1987        1988
                                    ---------------------------------------------------------------------------
Construction sand and gravel:
  Quantity--------------------------   e/594,297     702,071    e/725,839     801,045    e/813,020     837,695
  Value-----------thousands---------e/$1,935,000  $2,244,000 e/$2,438,000  $2,747,200 e/$3,002,500  $3,126,000
Exports:
  Quantity--------------------------       1,182       1,674        1,370       1,059        1,031         876
  Value-----------thousands---------      $6,430     $10,325       $8,936      $7,838      $10,533     $11,048
Imports for consumption:
  Quantity--------------------------         112         137          223         186          257         318
  Value-----------thousands---------      $1,047      $1,603       $1,572      $1,412       $2,367      $3,163
                                    ---------------------------------------------------------------------------
                                            1989        1990
                                    ------------------------
Construction sand and gravel:
  Quantity--------------------------   e/814,018     826,083
  Value-----------thousands---------e/$3,429,100  $3,249,400
Exports:
  Quantity--------------------------       1,021         425
  Value-----------thousands---------     $13,591     $11,880
Imports for consumption:
  Quantity--------------------------         542       1,580
  Value-----------thousands---------      $9,624     $22,912
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   e/Estimated.
   1/In 1981, sand and gravel became a biennial survey.  Data are estimated for odd-numbered years.
   2/Information on exports of sand and gravel between 1971-75 and 1978 includes construction and industrial
sand and gravel.