Horn Peak and the surrounding terrain of San Bernardino County define this landscape as it was documented in 2012. The topography is characterized by the prominent elevation of Horn Peak and the southern formation of Black Ridge, which together guide the drainage patterns of this arid region. A singular water source, Horn Spring, is noted on the eastern side of the peaks, providing a crucial landmark for understanding local hydrology and historical land use. The absence of developed roads or settlements on this quadrangle underscores its isolation and the preservation of natural landforms in this part of California. The map provides a detailed view of the natural contours and drainage networks that shaped the region's character in the early 21st century.
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This is the sole edition of this map. No revisions or reprints were ever made.
1943 · Turtle Mts.
USGS Topo · 1:62,500
1943 · Vidal
USGS Topo · 1:62,500
1949 · Vidal
USGS Topo · 1:62,500
1950 · Vidal
USGS Topo · 1:62,500
1950 · Savahia Peak
USGS Topo · 1:62,500
1951 · Savahia Peak
USGS Topo · 1:62,500
1954 · Needles
USGS Topo · 1:250,000
1954 · Turtle Mountains
USGS Topo · 1:62,500
1954 · Rice
USGS Topo · 1:62,500
1956 · Needles
USGS Topo · 1:250,000