3940 3940 3960 3960 3980 3980 4000 4000 4020 4020 4040 4040 4060 4060 4080 4080 4100 4100 4120 4120 3940 3940 3960 3960 3980 3980 4000 4000 4020 4020 4040 4040 4060 4060 4080 4080 4100 4100 4120 4120 3915 3915 3905 3905 3895 3895 3885 3885 3925 3925 3875 3875 3865 3865 3860 3860 3865 3865 3855 3855 3860 3860 3870 3870 3880 3880 3890 3890 3900 3900 3910 3910 3920 3920 3930 3930 Walker Lake 1882 shoreline Walker Lake 1882 shoreline Lake Lahontan shoreline Lake Lahontan shoreline Walker Lake Walker Lake Lowest altitude of lake bottom— 3,849.3 feet Schurz Schurz Walker Lake Walker Lake Hawthorne Hawthorne EXPLANATION 3875 3875 4020 4020 Lake-bottom contour—In feet. Interval is 5 feet Land-altitude contour—In feet. Interval is 20 feet Shoreline of Walker Lake, 1882—Rush (1970) Shoreline of Lake Lahontan—Reheis (1999) 2 0 2 4 6 8 MILES 2 0 2 4 6 8 KILOMETERS Base from U. S. Geological Survey digital data 1:100,000, 1978-89. Universal Transverse Mercator Projection, Zone 11, North American Datum of 1983. Color-infrared image flown June 28, 2005 by EarthData International, LLC using the ADS40 airborne digital sensor. Vertical datum is National Geodetic Vertical Datum of 1929. 118º52’30” 118º37’30” 45’ 118º52’30” 118º37’30” 45’ 38º37’30” 38º52’30” 45’ 38º37’30” 38º52’30” 45’ U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY SCIENTIFIC INVESTIGATIONS REPORT 2007-5012 Bathymetric Map of Walker Lake, Nevada — PLATE 1 Lopes, T.J., and Smith, J.L. 2007, Bathymetry of Walker Lake, West-Central Nevada BATHYMETRIC MAP OF WALKER LAKE, NEVADA By T.J. Lopes and J. Larue Smith 2007 CONTOUR INTERVAL 20 FEET NATIONAL GEODETIC VERTICAL DATUM OF 1929 BATHYMETRIC CONTOUR INTERVAL 5 FEET THE RELATION BETWEEN THE TWO DATUMS IS VARIABLE Prepared in cooperation with the BUREAU OF RECLAMATION

BATHYMETRIC MAP OF WALKER LAKE, NEVADA - U.S. … · 4020 4040 4060 4080 4100 4120 3915 3905 3895 3885 3925 3875 3865 3860 3865 3855 3860 3870 3880 3890 3900 3910 3920 3930 Walker

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Page 1: BATHYMETRIC MAP OF WALKER LAKE, NEVADA - U.S. … · 4020 4040 4060 4080 4100 4120 3915 3905 3895 3885 3925 3875 3865 3860 3865 3855 3860 3870 3880 3890 3900 3910 3920 3930 Walker

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Walker Lake 1882 shorelineWalker Lake 1882 shoreline

Lake Lahontanshoreline Lake Lahontanshoreline

Walker LakeWalker Lake

Lowest altitude of lake bottom—

3,849.3 feet

SchurzSchurz

WalkerLake

HawthorneHawthorne

EXPLANATION

38753875

40204020

Lake-bottom contour—In feet. Interval is 5 feet

Land-altitude contour—In feet. Interval is 20 feet

Shoreline of Walker Lake, 1882—Rush (1970)

Shoreline of Lake Lahontan—Reheis (1999)

2 0 2 4 6 8 MILES

2 0 2 4 6 8 KILOMETERS

Base from U. S. Geological Survey digital data 1:100,000, 1978-89. Universal Transverse Mercator Projection, Zone 11, North American Datum of 1983. Color-infrared image flown June 28, 2005 by EarthData International, LLC using the ADS40 airborne digital sensor. Vertical datum is National Geodetic Vertical Datum of 1929.

118º52’30” 118º37’30”45’

38º37’30”

38º52’30”

45’

38º37’30”

38º52’30”

45’

U.S. DEPARTMENT OF THE INTERIOR

U.S. GEOLOGICAL SURVEY

SCIENTIFIC INVESTIGATIONS REPORT 2007-5012Bathymetric Map of Walker Lake, Nevada — PLATE 1

Lopes, T.J., and Smith, J.L. 2007,

Bathymetry of Walker Lake, West-Central Nevada