
El Cajon and the surrounding inland valleys of San Diego County undergo significant suburban expansion in this mid-century period, with purple-tinted revisions highlighting the outward growth of residential tracts into Winter Gardens and Bostonia. The landscape is a mix of traditional agriculture, recreational spaces like the Lakeside Golf Course, and civic institutions ranging from Edgemoor Hospital to the Convent of the Sacred Heart. Aviation and transportation infrastructure are centered on Gillespie Field and the Cajon Speedway, while the northern reaches near Lake Jennings maintain a more open character. Water management is evident along the San Diego River and at the Cajon Park Res, supporting a complex network of neighborhoods including Carlton Hills and Santee as they transition from rural outposts to established San Diego suburbs.
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7 editions found
1893 · El Cajon
USGS Topo · 1:62,500
1901 · Elcajon
USGS Topo · 1:62,500
1903 · Cuyamaca
USGS Topo · 1:125,000
1903 · La Jolla
USGS Topo · 1:62,500
1903 · Elcajon
USGS Topo · 1:62,500
1904 · San Diego
USGS Topo · 1:62,500
1904 · Southern California Sheet No. 2
USGS Topo · 1:250,000
1930 · La Jolla
USGS Topo · 1:62,500
1930 · San Diego
USGS Topo · 1:62,500
1939 · El Cajon
USGS Topo · 1:62,500