Description of Industries and Summary of Findings

INDUSTRY 1041, GOLD ORES

This industry is made up of establishments primarily engaged in mining gold
ores from lode deposits or placer deposits. This industry includes the
production of bullion at the mine, mill, or dredge site.

In the 1992 Census of Mineral Industries, Industry 1041, Gold Ores, had
employment of 18.2 thousand. The employment figure was 60 percent above the
11.4 thousand reported in 1987. The total value of shipments and receipts
for the industry was $4.3 billion in 1992. The value added by mining was
$3.6 billion in 1992. Value added per employee was $197.2 thousand in 1992;
it was $148.2 thousand in 1987.

The total cost of supplies used by establishments classified in this
industry amounted to $1.6 billion, while the cost of selected supplies,
minerals received for preparation, and purchased machinery installed
amounted to $1.1 billion and is shown in file NC92F7. The total cost of
fuels used in this industry amounted to $108.9 million in 1992. Data on
specific fuels used also appears in file NC92F7.

Single-establishment companies in this industry with up to 16 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 2 percent of the total
value of shipments and receipts.


INDUSTRY 1044, SILVER ORES

This industry is made up of establishments primarily engaged in mining,
milling, or otherwise preparing silver ores. The production of bullion at
the mine or mill site is included.

In the 1992 Census of Mineral Industries, Industry 1044, Silver Ores, had
employment of 1.0 thousand. The employment figure was 41 percent below the
1.7 thousand reported in 1987. The total value of shipments and receipts
for the industry was $114.6 million in 1992. The value added by mining was
$57.6 million in 1992. Value added per employee was $57.6 thousand in 1992;
it was $73.6 thousand in 1987.

The total cost of supplies used by establishments classified in this
industry is withheld to avoid disclosing data for individual companies,
while the cost of selected supplies, minerals received for preparation, and
purchased machinery installed amounted to $50.5 million and is shown in
file NC92F7. The total cost of fuels used in this industry amounted to $4.5
million in 1992. Data on specific fuels used also appears 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 2 percent of the total
value of shipments and receipts.