
Elcajon Valley serves as the focal point for this early twentieth-century survey, illustrating a landscape defined by water management and early rail transport. The San Diego Flume winds through the hills, a critical engineering feat designed to carry water to the coastal settlements, while several mountain tunnels, including the Cape Horn Tunnel and Lankersheim Tunnel, mark the rugged ascent east of the valley. The terminal rail line of the San Diego Cuyamaca and Eastern Railroad concludes at Foster, highlighting the era's limits of steam-powered infrastructure before the widespread adoption of the automobile. Cultural boundaries are clearly delineated, featuring the Capitan Grande Indian Reservation and Sequan Indian Reservation, alongside established valley floor towns like Lakeside and Bostonia. This document records the transition of the region from open ranch lands to organized agricultural and residential hubs.
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5 editions found
1893 · El Cajon
USGS Topo · 1:62,500
1893 · Escondido
USGS Topo · 1:62,500
1901 · Elcajon
USGS Topo · 1:62,500
1901 · Escondido
USGS Topo · 1:62,500
1901 · San Luis Rey
USGS Topo · 1:125,000
1903 · Cuyamaca
USGS Topo · 1:125,000
1903 · La Jolla
USGS Topo · 1:62,500
1903 · Elcajon
USGS Topo · 1:62,500
1903 · Ramona
USGS Topo · 1:125,000
1904 · San Diego
USGS Topo · 1:62,500