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1987 Map of Chidago Canyon
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1987 Map of Chidago Canyon

USGS Topo · Published 1987

About this map

The Volcanic Tableland dominates the western half of this terrain, showing a complex network of drainage channels and elevation markers that reveal the prehistoric geologic activity of the Owens Valley region. The map transitions eastward into the distinct basins of Hammil Valley and Chalfant Valley, separated by rising ridges and the cut of Chidago Canyon. This 1987 provisional survey identifies scattered human footprints in the arid landscape, including isolated Gravel Pits, a small Mine, and unnamed Ruins situated near the eastern valley floor. Water sources are rare but specifically noted at Fish Slough in the south and along Milner Cr to the northeast, where the valley floor supports sparse development compared to the high, broken tablelands. The contrast between the flat valley troughs and the deeply incised volcanic plateau highlights the varied geomorphology of Mono County.

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Map Details

Date Portrayed1987
Date Published1987
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.6 inches

Editions of this 1987 Chidago Canyon Map

This is the sole edition of this map. No revisions or reprints were ever made.

Historical Maps of Mono County Through Time

295 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain