
The Prado Dam and its adjacent Prado Flood Control Basin anchor this landscape at the intersection of San Bernardino, Riverside, and Orange counties. In the early 1980s, the area reflects a transition from ranching and institutional land use toward suburban development, particularly around Los Serranos and the southern edge of Chino. Significant acreage is dedicated to state facilities, including the California Institution for Men and the California Institution for Women (Frontera PO), while the Chino Airport sits in the northeast.
41 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