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Scientific Investigations Report 2009–5014

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2009–5014

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Table 1. Hydrographic areas of the upper Humboldt River basin, northeastern Nevada.

[See fig. 1 for locations of hydrographic areas. Hydrographic area: Formal hydrographic areas in Nevada were delineated systematically by the U.S. Geological Survey and Nevada Division of Water Resources in the late 1960s (Cardinalli and others, 1968; Rush, 1968). These areas have been the basic units for assembling hydrologic data and for regulating water use in the State since 1968. The official hydrographic area names, numbers, and geographic boundaries continue to be used in U.S. Geological Survey scientific reports and Nevada Division of Water Resources administrative activities. Area (square miles): From Rush (1968)]

Hydrographic area
Name Number

Area
(square miles)

 Area
(acres)
Marys River Area 42 1,073 686,720
Starr Valley Area 43 332 212,480
North Fork Area 44 1,110 710,400
Lamoille Valley 45 257 164,480
South Fork Area 46 99 63,360
Huntington Valley 47 787 503,680
Dixie Creek–Tenmile Creek Area 48 392 250,880
Elko Segment 49 314 200,960
Totals (rounded) 4,364 2,793,000

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