- Coordinates:
- N 40.823017° W 75.422266°
- Location:
- Elevation:
- Unknown
- Type:
- Reference Mark Disk
- Setting:
- Boulder
- Year Established:
- 1929
- Established By:
- NGS
- Status:
- Recovered
- Condition:
- Good as of March 14, 2004
For more information, see: SMITHS GAP RESET
For more information, see: SMITHS GAP RESET