
Prado Dam anchors this landscape at the confluence of the Santa Ana River and Chino Creek, marking a critical juncture of water management and infrastructure in the late 1960s. The area is defined by massive state and educational facilities, including the California Institution for Men and the California Institution for Women (Frontera PO), alongside the unique community of Boys Republic.
43 named features on this map. Tap any name to fly to it.
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5 editions found
1894 · Pomona
USGS Topo · 1:62,500
1896 · Anaheim
USGS Topo · 1:62,500
1897 · Pomona
USGS Topo · 1:62,500
1897 · Cucamonga
USGS Topo · 1:62,500
1898 · Pomona
USGS Topo · 1:62,500
1898 · Anaheim
USGS Topo · 1:62,500
1900 · Cucamonga
USGS Topo · 1:62,500
1901 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1901 · Anaheim
USGS Topo · 1:62,500
1902 · Corona
USGS Topo · 1:125,000