Almost all the caches in this series are 2WD drive accessible although rain may make the dirt roads a bit treacherous. You also may have problems with cell service so plan accordingly. All caches are preform tubes placed inside a PVC tube near signs or poles.
Completing the series will result in the geoart of a sombrero - replicating the one on the nearby tower.
For the corrected coordinates - answer the following question -
Tunnelvision mural can be viewed in Columbia:
NC - N 34 30.186 W 79 18.252
SC - N 34 30.027 W 79 16.365