Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: C319RC
For more information about this series, please see http://www.bea.gov/national/."
U.S. Bureau of Economic Analysis, Private fixed investment in structures: Nonresidential: Mining exploration, shafts, and wells: Petroleum and natural gas [C319RC1A027NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/C319RC1A027NBEA, May 21, 2018.