NC: US 15 Point Errors North of I-85

[Markkos1992]

1.  IndDrv should be IndDr.
2.  It looks like the US158Bus_W and US158Bus_E labels should be switched. 
3.  NC96 should be NC96_S.
4.  NC1514 should be CheRd (Chewning Rd).
5.  GeiaRd should be GelaRd.
6.  RockRd should be RocRd.
7.  BuckRd should be BucRd.

[mapmikey]

changes made