
Cadiz Valley dominates this 1984 provisional survey, revealing the stark topography of the Mojave Desert floor as it meets the edge of Cadiz Lake. The map illustrates a landscape defined by dramatic elevation changes, with the dry lake bed in the northeast corner serving as a low-point basin for the surrounding terrain. Sparse human intervention is marked only by remote 4wd tracks that navigate the alluvial fans and complex contouring of the region. This document captures the wilderness in a transitional state during the mid-1980s, providing a precise record of desert geomorphology before modern digital mapping. The use of metric contours on this provisional edition reflects a specific era of USGS cartographic standards, emphasizing the physical geometry of the valley and the salt crust margins of the lake.
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2 editions found
1942 · Amboy
USGS Topo · 1:250,000
1943 · Amboy
USGS Topo · 1:250,000
1943 · Cadiz Lake
USGS Topo · 1:62,500
1943 · Cadiz Valley
USGS Topo · 1:62,500
1954 · Needles
USGS Topo · 1:250,000
1956 · Needles
USGS Topo · 1:250,000
1956 · Dale Lake
USGS Topo · 1:62,500
1956 · Bristol Lake
USGS Topo · 1:62,500
1956 · Cadiz Lake
USGS Topo · 1:62,500
1956 · Cadiz Valley
USGS Topo · 1:62,500