M18 - Cape Fear River Channel Marker 18
| Location: Cape Fear River near Southport |
| Lat/Lon: N 33 54.778 W 78 01.018 |
| Sampling Relevance: Lower end of the estuary |
| Data collection: June 1995 to present |
Data for June 1995 - May 1996 are located in the 95/96 Water Quality Report.
Data for June 1996 - May 1997 are located in the 96/97 Water Quality Report.
Data for June 1997 - May 1998 are located in the 97/98 Water Quality Report.