Source: US. Bureau of Labor Statistics
Release: Employment Situation
The series comes from the 'Current Employment Statistics (Establishment Survey).'
The source code is: CES1021100001
US. Bureau of Labor Statistics, All Employees: Mining and Logging: Oil and Gas Extraction [CES1021100001], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/CES1021100001, December 2, 2016.