Source: U.S. Bureau of Economic Analysis
Industries in the Support Activities for Mining NAICS subsector group establishments primarily providing support services, on a contract or fee basis, required for the mining and quarrying of minerals and for the extraction of oil and gas. Establishments performing exploration (except geophysical surveying and mapping) for minerals, on a contract or fee basis, are included in this subsector. Exploration includes traditional prospecting methods, such as taking core samples and making geological observations at prospective sites.
Consists of all counties in a state that are parts of metropolitan statistical areas.
For more information about this release go to http://www.bea.gov/newsreleases/regional/gdp_metro/gdp_metro_newsrelease.htm.
U.S. Bureau of Economic Analysis, Quantity Indexes for Real GDP: Private Industries: Mining: Support Activities for Mining for United States Metropolitan Portion [QGMPSAMINUSMP], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/QGMPSAMINUSMP, October 21, 2017.