The boundary monument between the United States and Mexico just south of SanDiego. This also gives a good seaward view of Tijuana Slough, now part of thethe National Estuarine Research Reserve System. In: Pacific Coast. Coast Pilotof California, O
2/13/2019 12:37:35 PM
Photographer: Archival photograph by Mr. Steve Nicklas
Affiliation: NGS/RSD
Location: California-Mexico Boundary
Subject: Coastline
Subject: West Coast California
Subject: Historical