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aeromagnetic surveying
geophysics
97
geospatial datasets
97
magnetic field (earth)
94
field monitoring stations
93
United States
64
Alaska
63
aeromagnetic data
63
airborne surveys
63
geophysical surveys
63
magnetic
63
magnetic surveys
63
residual magnetic field
63
total field
63
AK
62
aeroradiometric surveying
62
aeroradiometric surveys
62
potassium
62
radioactivity
62
radiometric
62
radiometric surveys
62
thorium
62
total count
62
uranium
62
f02290 = Yukon-Koyukuk
40
f02185 = North Slope
23
f02188 = Northwest Arctic
18
f02180 = Nome
13
f02240 = Southeast Fairbanks
11
f02050 = Bethel
9
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