Description of Industries and Summary of Findings

INDUSTRY 1442, CONSTRUCTION SAND AND GRAVEL

This industry is made up of establishments primarily engaged in operating
sand and gravel pits and dredges, and in washing, screening, or otherwise
preparing sand and gravel for construction uses.

In the 1992 Census of Mineral Industries, Industry 1442, Construction Sand
and Gravel, had employment of 27.1 thousand. The employment figure was 6
percent below the 28.9 thousand reported in 1987. The total value of
shipments and receipts for the industry was $2.7 billion in 1992.  The
value added by mining was $2.0 billion in 1992. Value added per employee
was $75.3 thousand in 1992; it was $69.6 thousand in 1987.

The total cost of supplies used by establishments classified in this
industry amounted to $942.5 million, while the cost of selected supplies,
minerals received for preparation, and purchased machinery installed
amounted to $570.3 million and is shown in file NC92F7. The total cost of
fuels used in this industry amounted to $128.2 million in 1992. Data on
specific fuels used also appear in file NC92F7.

Single-establishment companies in this industry with up to 5 employees were
excluded from the mail portion of the census. The data for these
establishments (and a small number of larger establishments whose reports
were not received at the time the data were tabulated) were imputed as
described above. These establishments accounted for 21 percent of the total
value of shipments and receipts. Establishments of single-establishment
companies with 6 to 20 employees were mailed a short census form requesting
summary data on employment, payroll, costs, capital expenditures, assets,
and products.


INDUSTRY 1446, INDUSTRIAL SAND

This industry is made up of establishments primarily engaged in operating
sand pits and dredges, and in washing, screening, and otherwise preparing
sand for uses other than construction, such as glassmaking, molding, and
abrasives.

In the 1992 Census of Mineral Industries, Industry 1446, Industrial Sand,
had employment of 3.2 thousand. The employment figure was 18 percent below
the 3.9 thousand reported in 1987. The total value of shipments and
receipts for the industry was $410.8 million in 1992. The value added by
mining was $277.8 million in 1992. Value added per employee was $86.8
thousand in 1992; it was $79.1 thousand in 1987.

The total cost of supplies used by establishments classified in this
industry amounted to $158.7 million, while the cost of selected supplies,
minerals received for preparation, and purchased machinery installed
amounted to $87.7 million and is shown in file NC92F7. The total cost of
fuels used in this industry amounted to $24.8 million in 1992.  Data on
specific fuels used appear in file NC92F7.

Single-establishment companies in this industry with up to 8 employees were
excluded from the mail portion of the census. The data for these
establishments (and a small number of larger establishments whose reports
were not received at the time the data were tabulated) were imputed as
described above. These establishments accounted for 9 percent of the total
value of shipments and receipts.