Digital collections

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, Oregon, and Washington Territory.. By George Davidson, 1869. P. 8. Library Call Number VK947.D4 1869. (Image credit: Archival photograph by Mr. Steve Nicklas)