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1988 Map of Agathla Peak
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1988 Map of Agathla Peak

USGS Topo · Published 1988

About this map

Agathla Peak (El Capitan) stands as the dominant volcanic landmark in this high-desert landscape within the Navajo Indian Reservation. The terrain is characterized by striking geological formations, including the prominent spires of Chaistla Butte and the dramatic uplift of Comb Ridge in the southeast. This 1988 provisional edition captures the complex drainage patterns of El Capitan Wash and Laguna Creek, along with various water management efforts such as a Check Dam near the Gray Hills. Cultural features are sparse but significant, with the Little Capitan Valley serving as a focal point for movement across the region. Notable named rock formations like Owl Rock and Lion Rock provide essential navigation points, while the intricate system of the Porras Dikes reveals the subterranean volcanic history of the Arizona desert.

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Map Details

Date Portrayed1988
Date Published1988
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.7 inches

Editions of this 1988 Agathla Peak Map

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

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain