_:vb7271022	<http://purl.org/dc/terms/bibliographicCitation>	"1931 February 17, Mark L. Requa, quotee, \u201CStatement of Harold Walker, Representing the Pan American Petrolum & Transport Co., New York City\u201D, in Regulating Importation of Petroleum and Related Products: Hearings before the Committee of Ways and Means, House of Representatives, Seventy-first Congress, Third Session on H.R. 16585: A Bill to Regulate Commerce between the United States and Foreign Countries in Crude Petroleum and All Products of Petroleum, including Fuel Oil, and to Limit the Importation thereof, and for Other Purposes\u00A0[\u2026], Washington, D.C.: United States Government Printing Office, \u2192OCLC, page 297:"@en .
_:vb7271022	<http://www.w3.org/1999/02/22-rdf-syntax-ns#value>	"I do know that some of the most influential people in the oil-mining industry have made some investigations with a view of steam shoveling certain areas, and that they found conditions were such, with the beds of barren material lying between the high-grade product, that they could not steam shovel it,  [\u2026]"@en .