Hetta electromagnetic and magnetic airborne geophysical survey data compilation
Description
The Hetta geophysical survey is located in southeast Alaska in the Ketchikan area, about 350 kilometers south of Juneau, Alaska. Frequency domain electromagnetic and magnetic data were collected with the DIGHEMV system in May 1992. A total of 1,707 line kilometers were collected covering 323.3 square kilometers. Line spacing was 200 meters (m). Data were collected approximately 30 m above the ground cover or tree canopy from a helicopter-towed sensor platform ("bird") on a 30-m-long line. The large trees and steep terrain resulted in an average ground clearance of 150 m. The Hetta survey was flown for the American Copper & Nickel Company, Inc. and provided to DGGS by the Sealaska Corporation. The data were merged and released with the 1999 Ketchikan geophysical survey maps. Map sheets and some of the other files in this data release contain data from adjacent or nearby surveys. The data, as well as additional metadata, are available from the DGGS website: http://doi.org/10.14509/30433.
Resources
| Name |
Format |
Description |
Link |
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0 |
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http://doi.org/10.14509/30433 |
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0 |
CSDGM IMPORT ERROR: No digtinfo/formcont |
http://doi.org/10.14509/30433 |
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0 |
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http://doi.org/10.14509/29555 |
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0 |
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http://doi.org/10.14509/27222 |
Tags
- geophysical map
- line data
- nutkwa falls
- hetta inlet
- first vertical derivative
- copper mountain
- frequency domain electromagnetic data
- dell island
- airborne geophysical survey
- hetta lake
- geophysics
- sulzer passage
- billie mountain
- lake mellen
- geophysical survey
- golden fleece mine
- paul lake
- reynolds creek
- jumbo creek
- apparent resistivity map
- resistivity survey
- mount jumbo
- summit lake
- geologic
- aeromagnetic survey
- dolomi bay
- cholmondeley sound
- port johnson
- natzuhini bay
- electromagnetic data
- geology
- aeromagnetic map
- lake josephine
- bully boy creek
- electromagnetic survey
- hetta creek
- analytic signal
- corbin mine
- eek lake
- magnetics
- magnetic survey
- clarence strait
- dolomi mountain
- aeromagnetic
- southeast alaska
- jumbo island
- perry creek
- halibut creek
- apparent resistivity survey
- ketchikan mining district
- beaver creek
- lake marge
- james lake
- geophysics search tag
- copper harbor
- apparent resistivity data
- hetta mountain
- gould passage
- deer bay
- john creek
- resistivity
- gridded data
- exploration
- wright creek
- aeromagnetic data
- lake williams
- mud bay
- cordova bay
- hydaburg river
- conductivity survey
- gould island
- remote sensing
- portage bay
- magnetic data