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Unga Island (AK)

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Survey type M/EM/V-D (magnetic; airborne electromagnetic; very low frequency electromagnetic; collected in digital form)
Flown by DIGHEM LTD.
Date flown 06/90-7/90
Line spacing 0.15 (km)
Altitude 30 to 45 (m) above ground
Total distance 820 (km)
References
Riehle, James R., 1999, Geological and geophysical setting of the gold-silver vein systems of Unga Island, southwestern Alaska; Open-File Report 99-136

https://pubs.usgs.gov/of/1999/of99-136/
Counties Aleutians East

Data: Magnetic, electromagnetic, very low frequency electromagnetic (M/EM/V-D)

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