
Lockhart sits as a primary point of human activity in this high desert landscape of the mid-1980s, where infrastructure is sparsely distributed across the arid basin. The map reveals a land managed for specific utilities, evidenced by the presence of a Substation and a network of water-retention features. The geography is dominated by the vast expanse of Harper Valley and Water Valley, with the seasonal bed of Harper Lake protected by a series of Dike and Levee structures.
14 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1915 · Searles Lake
USGS Topo · 1:250,000
1932 · Barstow
USGS Topo · 1:125,000
1934 · Barstow
USGS Topo · 1:125,000
1947 · Trona
USGS Topo · 1:250,000
1948 · Trona
USGS Topo · 1:250,000
1953 · San Bernardino
USGS Topo · 1:250,000
1953 · Trona
USGS Topo · 1:250,000
1955 · Opal Mountain
USGS Topo · 1:62,500
1956 · San Bernardino
USGS Topo · 1:250,000
1956 · Fremont Peak
USGS Topo · 1:62,500