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1990 Map of Illipah
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1990 Map of Illipah

USGS Topo · Published 1990

About this map

Illipah (Moorman Ranch) serves as a primary human landmark in this Great Basin landscape, situated where the Butte Mountains meet the expansive floor of Jakes Valley. The map captures a high-desert environment defined by essential water management, featuring a network of ditches and diversion ditches designed to capture runoff from the White Pine Moorman Ridge. Sources such as Moorman Spring and Cottonwood Pond highlight the critical role of water for ranching and survival in the Humboldt National Forest. Land use in the late 20th century is further evidenced by a small Landing Strip, a Gravel Pit, and scattered mineral prospects, reflecting a mix of livestock management and early-stage exploration. The terrain is dominated by steep elevational shifts between the creek bottoms and the high ridges of the national forest boundary.

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Map Details

Date Portrayed1990
Date Published1990
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.8 inches

Editions of this 1990 Illipah Map

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

Historical Maps of Illipah Through Time

327 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain