National Register of Historic Places
Initial Point of Boundary Between U.S. and Mexico
San Diego, San Diego County, California
The record
- Listed
- September 6, 1974
- Type
- Site
- Address
- S of Imperial Beach off Monument Rd., San Diego
- County
- San Diego
- State
- California
- Period of significance
- 1825 to 1899
- Contributing resources
- 1 site, 1 object
- Coordinates
- 32.53455, -117.12290
- Reference number
- 74000550