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1987 Map of Eightmile Rock
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1987 Map of Eightmile Rock

USGS Topo · Published 1987

About this map

Hatch Point dominates the high ground of this 1980s San Juan County landscape, where the plateau surface breaks into a complex network of drainages and mesas. This provisional survey captures the vital water sources essential for survival and ranching in the high desert, including Rock Tank, Trout Water Canyon Spring, and the isolated Threemile Well. The terrain is characterized by dramatic elevation shifts from the level expanse of Iron Mesa and the aptly named Flat down into the depths of Lockhart Can and Trout Water Canyon. Significant landmarks such as Eightmile Rock serve as key navigational anchors within this sparsely populated region. The mapping emphasizes the hydrologic system defined by Hatch Wash and Threemile Creek, illustrating how the arid geography is organized around these rare water features and the unimproved roads that connect them.

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Map Details

Date Portrayed1987
Date Published1987
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.9 x 26.7 inches

Editions of this 1987 Eightmile Rock Map

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

Historical Maps of San Juan County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain