HomeUSASouth DakotaNeedles Of Rushmore, TheMount Rushmore National MemorialEmancipationEmancipation BouldersRoadside Jumble, TheCulvert Boulder, TheCulvert Boulder, TheLAT,LNG 43.86310, -103.46356CREATED UPDATED Edit MapShareDescription[Edit]Boulder with one fun problem on steep schist.1 ClimbsComing soon: New Climbs1The CulvertV6Bouldering