Online Highways Home > South Dakota > Keystone City Map with Features Big Thunder Gold Mine Originally called the 'Gold Hill Lode,' this mine was discovered in 1882 by two German immigrants who worked the mine until 1914. Informative underground 45-minute guided tours of the historic gold mine include a free sample of gold ore. A short videotape describing area history and displays are exhibited at the on-site museum. Gold panning is offered. Group rates available, reservations required for groups of 15 or more. Located just a few miles from Mount Rushmore, the Big Thunder Mine is open daily from May through the end of September. Read reviews and find hotels in Keystone. Location: 604 Blair Avenue, Keystone South Dakota 57751 Telephone 605-666-4847 Toll Free: 800-843-1300 Other upcoming events include:

Search Keystone South Dakota 6 What have people been Tweeting about Keystone?

trusted_sd "Review of Keystone House Restaurant restaurant in Keystone on www.trustedopinion.com/review/1098320"
6newsgmi "Traffic: WB 70 past Rural/Keystone.. working an accident there.. also, NB 65 near Meridian St. exit. http://bit.ly/48FDfV"
glenndunlap "The new Keystone Patachou is really nice. Just opened today. Much roomier. Hopefully the omelettes still rock..."
indydaily "RT @WISH_TV #indynews: Keystone Towers to go up for auction - What's become an eyesore on the city's near nort... http://bub.bz/5467"
ZuluJobsTX "TX Jobs | Account Manager - Marmon Keystone - Dallas / Fort Worth at Instigate (D.. http://bit.ly/QyLNT #Job #Hiring #TXJobs"
WISH_TV "Keystone Towers to go up for auction - What's become an eyesore on the city's near northeast side will go on the au... http://ow.ly/161bQD"
coralhei "Madville Times: Madison Leaders Confused on Keystone Pipeline: Evidently Madison hasn't noticed .. http://bit.ly/4bphlN"
bradreal "LIVE TONITE at Birdy's (71 & Keystone) The Brady Bash! Start your tailgating early for the big game vs. the Pats! 8pm. $2 off w flyer"
RVWebAuction "Looking for a Keystone Passport? Find that and more at www.RVWebAuction.com!"
mikereda77 "Started rehearsals last night for Keystone Oaks High School Varieties show. Our shit sounded tight. Just a little... http://bit.ly/43ydGt"
rvlistings "#ihave #RV 4 Sale: 2005 Keystone Mountaineer MOUNTAINEER - Grand Island, NE http://ow.ly/161bqS"
Indy_Crime "From http://spotcrime.com - Other - 41XX N KEYSTONE AV, Indianapolis, IN: TRANSPORT PERSON - *.195. Other: FAC http://bit.ly/PvWua"
MyLocalMountain "Ski & Snowboard App Keystone: Open / Past 48 Hours: 0in. / Primary: Machine Made / Base Depth: 18in."
Check everything within 25 miles of Keystone South Dakota