OPEN- FILE REPORT
81-998
DEPARTMENT OF THE INTERIOR
UNITED STATES GEOLOGICAL SURVEY
+
39°25
20300
20290
20270
20260
20241
o
It')
°~
20225
202
20215
20210
20 19~202-t=--
Thia . . p waa prepared under con~rac~
~o ~he U.S. Geological Survey and haa
no~ been reviewed for confor.i~y wi~h
USGS edi~orial a~andarda. Any uae of
~rade na.ea ia for deacrip~ive purpoaes
only and doea no~ i.ply endorae.en~ by
~he USGS.
Survey flown and compiled November 1979
LEGEND
Total Field Aeromagnetic Map of
by Queator Surveys, Mississauga , Ontario, Canada
MAGNETOMETER USED'
the Steamboat Hills Known
Sonotek PMH 5010 Proton
Precession Moonetom.t.r
Geothermal Resource Area, Nevada
MAGNETIC SAMPLING RATE : one second
ISOMAGNETIC
INTERVAL
(TOTAL fiELD)
10
GAIIHIA CONTOU" liNE
50
GAMMA CONTOU" liNE
500
GAMIIIIA CONTOUIt liNE
MAGNETIC DE. . .IIION
'lIGHT ALT ITUK 400' A.ovE T£MtAIN
Plllh~
pa~h
MAGNETIC SENSITIVITY :
1 CJamma
REGIONAL
55,000
CONTOURED
FIELD :
INTERVAL :
by
The U. S. Geological Survey
1981
10 oammaa
~
~
~
LOCATION AND MAGNITUDE OF CORRECTED TOTA L INTENSITY
MAGNETOMETER VALUE BEFORE REMOVAL OF IGRF :
a .. 4 li..e ou.lter -
INTERVAL'
x
20202
Y
LINE
FIDUCIAL
RAW MAG.
20220
230. 0
52,386
Scale
1: 24000
1EE3==~&3~~E3~.5~F3E3~F3~=i0=================31
7.74"
1
l/e" (250 feet)
GRID
C· • ~
Ely'
e.63"
IGRP reaoved by 1975 ataodard
KILOMETER
of aerem