File:Oil Price US 1970-1988.png

Refiner Acquisition Cost of Crude in the U.S., 1970-1988 - (Nominal) Dollars per Barrel, Composite (Imported and Domestic)

From the The U.S. Energy Information Administration (EIA): http://www.eia.gov/dnav/pet/pet_pri_rac2_a_EPC0_PCT_dpbbl_a.htm