TY - DATA AU - Ratner,Michael AU - Tiemann,Mary ED - Library of Congress. TI - An overview of unconventional oil and natural gas: resources and federal actions T2 - Report / Congressional Research Service PY - 2018///?]- CY - [Washington, D.C.] PB - Congressional Research Service KW - Hydraulic fracturing KW - United States KW - Natural gas reserves KW - Oil shale reserves KW - Oil-shale industry N1 - The CRS report home page provides access to all versions published since 2018 in accordance with P.L. 115-141; earliest version dated 2015; Report includes illustrations; CRDP Program record; Report includes bibliographical references UR - https://purl.fdlp.gov/GPO/gpo124942 ER -