Speedymart - PHILLIPS 66
2615 E Colorado Blvd, Spearfish SD
605-642-2041
Ethanol-free octane ratings: 85 91
GPS coordinates: N 44.47528 W 103.81529 (entered by cevan)
Updated by cevan, May 08, 2015 19:11 CDT
I updated the GPS coordinates to show the gas station on the correct side of the interstate.
Updated by cevan, May 08, 2015 19:01 CDT
Still carry ethanol-free 85 & 91 octane on May 08, 2015.
Updated by craig, November 10, 2014 17:23 CST
addr
Updated by Jonathan Lathbury, July 05, 2013 20:36 CDT
Added phone number.
Updated by Jonathan Lathbury, November 24, 2012 21:05 CST
Updated address. This station is located at exit 14 off I-90. Their phone number is 605-642-2041.
Posted by onlyrotax, January 19, 2012 21:03 CST