Jefferson Conoco - CONOCO
48171 330th St, Jefferson SD
605-966-5256
Ethanol-free octane ratings: 91
GPS coordinates: N 42.60517 W 96.57267 (entered by Biker)
Updated by Biker, July 22, 2015 0:58 CDT
Was there today.
Updated by Tom, June 11, 2015 14:12 CDT
Changed brands in 2014
Updated by Jonathan Lathbury, August 24, 2013 21:09 CDT
Added phone number.
Posted by matt, August 11, 2013 16:09 CDT