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Mid-March Mining, Quarrying, and Oil and Gas Extraction Employees (County)

Source: County Business Patterns, U.S. Census Bureau (Department of Commerce)
Topic: Employment and LaborSubtopic: Employment & Pay by Industry (NAICS)Category: 21: Mining, Quarrying, and Oil & Gas Extraction
Product: Local StatsDate Updated: June 2020Update Tips
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    * Since 2007, CBP has used Noise Infusion for this data as a method of disclosure avoidance. This new method allowed disclosure of data for many more counties, which may affect the national median value. Prior to 2007, data were protected using the complementary cell suppression method. For more information on Noise Infusion and Suppression, see the Source tab.

    Years Available: 1998–2018

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    General Notes: Industry code NAICS 21. *Median value gives the value for the "average" county for this metric, the 50th percentile of all counties reporting data. A # symbol indicates the following: Data suppressed to meet non-disclosure standards. A ! symbol indicates the following: Withheld to avoid releasing data that do not meet publication standards. Noise infusion is a method of disclosure avoidance in which values for each establishment are perturbed prior to table creation by applying a random noise multiplier to the data for each company that was first applied to CBP data in 2007. See the links in the Source area for details. ***Low noise applied to cell value. **** Medium noise applied to cell value. ***** High noise level applied to cell value.


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