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Census of Mineral
Industries/Mining
Description & Updates |
http://www.columbia.edu/cu/lweb/indiv/usgd/ecocensus/minerals.html
Definition: The Mining sector comprises establishments that
extract naturally occurring mineral solids, such as coal and ores; liquid
minerals, such as crude petroleum; and gases, such as natural gas. The term
mining is used in the broad sense to include quarrying, well operations,
beneficiating (e.g., crushing, screening, washing, and flotation), and other
preparation customarily performed at the mine site, or as a part of mining
activity.
The Mining sector distinguishes two basic activities: mine operation and mining
support activities. Mine operation includes establishments operating mines,
quarries, or oil and gas wells on their own account or for others on a contract
or fee basis. Mining support activities include establishments that perform
exploration (except geophysical surveying) and/or other mining services on a
contract or fee basis.
Comparability with SIC data: Changes to the mining sector were
minor, but mining now excludes portions of industries that are now included in
services sectors. Prominent among these industries are geophysical surveying
and mapping services for metal mining, oil and gas extraction, and nonmetallic
minerals mining.
Another change resulting from the conversion to NAICS is that data for mining
auxiliary establishments are not included with the mining data; these
establishments are now classified in a particular NAICS industry based on the
function of the auxiliary establishment. See the discussion of
"Auxiliaries" for additional explanation of the treatment of
auxiliary establishments in the 1992 and 1997 Economic Censuses.
Geographic detail: The Economic Census publishes data for the
mining sector only for the U.S. and states.
The Census of Mineral Industries is updated by:
- Manufacturing, Mining, &
Construction Statistics
- Quarterly Financial
Report for Manufacturing, Mining, and Trade Corporations
- County
Business Patterns
- County Business Patterns is an annual series that provides subnational
economic data by industry. The series is useful for studying the economic
activity of small areas; analyzing economic changes over time; and as a
benchmark for statistical series, surveys, and databases between economic
censuses. This series has been published annually since 1964 and at irregular
intervals dating back to 1946. The comparability of data over time may be
affected by definitional changes in establishments, activity status, and
industrial classifications.
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