Ketchikan geophysics

Project Details

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• Project ID:

  57

• Nickname/Abbreviation:

  Ketchikan GP

• Parent Project:

  Geophysics Program

• Status:

  Complete

• Description:

  The Ketchikan 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 from February to April 1999. A total of 4750.8 line kilometers were collected covering 1648.6 square kilometers. Line spacing was 400 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. In the original 1999 release the Ketchikan survey was merged with data from several adjacent surveys (Kasaan, Hetta, and Dolomi). Map sheets and some of the other files in this data release contain data from adjacent or nearby surveys.

• Project Date(s):

  1999 - 1999

• Primary Contact:

  Emond, Abraham M.

• DGGS section:

  Mineral Resources

• Alternate Url:

  Find out more...

• Project Participants:

  Burns, Laurel E., Emond, Abraham M., Graham, Gina R. C.

• Completed/Inactive Related Sub-Projects:

  • • Kasaan geophysics - (1992)
  • • Hetta geophysics - (1992)
  • • Dolomi geophysics - (1991)

Related Publications

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GPR 2020-5

Burns, L.E., Graham, G.R.C., Barefoot, J.D., Geoterrex-Dighem, and WGM Mining and Geological Consultants, Inc., 2020, Ketchikan electromagnetic and magnetic airborne geophysical survey data compilation: Alaska Division of Geological & Geophysical Surveys Geophysical Report 2020-5, 19 p. https://doi.org/10.14509/30430

GPR 1999-1C

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics of selected areas near Ketchikan, southeastern Alaska, Map C - south, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-1C, 1 sheet, scale 1:63,360. https://doi.org/10.14509/272

GPR 1999-13

Burns, L.E., 1999, Portfolio of aeromagnetic and resistivity maps of selected areas near Ketchikan, southeastern Alaska: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-13, 18 p. https://doi.org/10.14509/318

GPR 1999-14

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, CD ROM containing gridded files and section lines of 1999 geophysical survey data for Ketchikan area, parts of the Craig, Dixon Entrance, and Ketchikan quadrangles, southeastern Alaska: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-14, 1 DVD. https://doi.org/10.14509/319

GPR 1999-9C

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics of selected areas near Ketchikan, southeastern Alaska, Map C - south, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-9C, 1 sheet, scale 1:63,360. https://doi.org/10.14509/304

GPR 1999-11B

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 56,000 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map B - north, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-11B, 1 sheet, scale 1:63,360. https://doi.org/10.14509/311

GPR 1999-12A

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 7200 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map A - Salt Chuck and Kasaan Peninsula, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-12A, 1 sheet, scale 1:63,360. https://doi.org/10.14509/314

GPR 1999-12B

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 7200 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map B - north, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-12B, 1 sheet, scale 1:63,360. https://doi.org/10.14509/315

GPR 1999-1D

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics of selected areas near Ketchikan, southeastern Alaska, Map D - western and eastern parts, Gravina Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-1D, 1 sheet, scale 1:63,360. https://doi.org/10.14509/273

GPR 1999-2A

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 56,000 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map A - Salt Chuck and Kasaan Peninsula, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-2A, 1 sheet, scale 1:63,360. https://doi.org/10.14509/274

GPR 1999-2B

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 56,000 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map B - north, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-2B, 1 sheet, scale 1:63,360. https://doi.org/10.14509/275

GPR 1999-2C

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 56,000 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map C - south, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-2C, 1 sheet, scale 1:63,360. https://doi.org/10.14509/276

GPR 1999-2D

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 56,000 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map D - western and eastern parts, Gravina Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-2D, 1 sheet, scale 1:63,360. https://doi.org/10.14509/277

GPR 1999-6A

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska, Map A - Salt Chuck and Kasaan Peninsula, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-6A, 1 sheet, scale 1:63,360. https://doi.org/10.14509/290

GPR 1999-6B

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska, Map B - north, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-6B, 1 sheet, scale 1:63,360. https://doi.org/10.14509/291

GPR 1999-6C

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska, Map C - south, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-6C, 1 sheet, scale 1:63,360. https://doi.org/10.14509/292

GPR 1999-6D

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska, Map D - western and eastern parts, Gravina Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-6D, 1 sheet, scale 1:63,360. https://doi.org/10.14509/293

GPR 1999-7A

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 56,000 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map A - Salt Chuck and Kasaan Peninsula, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-7A, 1 sheet, scale 1:63,360. https://doi.org/10.14509/294

GPR 1999-7B

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 56,000 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map B - north, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-7B, 1 sheet, scale 1:63,360. https://doi.org/10.14509/295

GPR 1999-7C

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 56,000 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map C - south, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-7C, 1 sheet, scale 1:63,360. https://doi.org/10.14509/296

GPR 1999-7D

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 56,000 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map D - western and eastern parts, Gravina Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-7D, 1 sheet, scale 1:63,360. https://doi.org/10.14509/297

GPR 1999-9A

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics of selected areas near Ketchikan, southeastern Alaska, Map A - Salt Chuck and Kasaan Peninsula, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-9A, 1 sheet, scale 1:63,360. https://doi.org/10.14509/302

GPR 1999-9B

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics of selected areas near Ketchikan, southeastern Alaska, Map B - north, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-9B, 1 sheet, scale 1:63,360. https://doi.org/10.14509/303

GPR 1999-9D

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics of selected areas near Ketchikan, southeastern Alaska, Map D - western and eastern parts, Gravina Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-9D, 1 sheet, scale 1:63,360. https://doi.org/10.14509/305

GPR 1999-10A

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Color shadow magnetic map of selected areas near Ketchikan, southeastern Alaska, Map A - Salt Chuck and Kasaan Peninsula, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-10A, 1 sheet, scale 1:63,360. https://doi.org/10.14509/306

GPR 1999-10B

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Color shadow magnetic map of selected areas near Ketchikan, southeastern Alaska, Map B - north, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-10B, 1 sheet, scale 1:63,360. https://doi.org/10.14509/307

GPR 1999-10C

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Color shadow magnetic map of selected areas near Ketchikan, southeastern Alaska, Map C - south, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-10C, 1 sheet, scale 1:63,360. https://doi.org/10.14509/308

GPR 1999-10D

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Color shadow magnetic map of selected areas near Ketchikan, southeastern Alaska, Map D - western and eastern parts, Gravina Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-10D, 1 sheet, scale 1:63,360. https://doi.org/10.14509/309

GPR 1999-11A

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 56,000 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map A - Salt Chuck and Kasaan Peninsula, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-11A, 1 sheet, scale 1:63,360. https://doi.org/10.14509/310

GPR 1999-11C

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 56,000 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map C - south, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-11C, 1 sheet, scale 1:63,360. https://doi.org/10.14509/312

GPR 1999-11D

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 56,000 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map D - western and eastern parts, Gravina Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-11D, 1 sheet, scale 1:63,360. https://doi.org/10.14509/313

GPR 1999-16A

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and detailed electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska, parts of Craig C-1 and C-2 quadrangles: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-16A, 1 sheet, scale 1:31,680. https://doi.org/10.14509/321

GPR 1999-16B

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and detailed electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska, parts of Craig B-3 and B-4 quadrangles: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-16B, 1 sheet, scale 1:31,680. https://doi.org/10.14509/322

GPR 1999-16C

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and detailed electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska, parts of Craig B-2 and B-3 quadrangles: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-16C, 1 sheet, scale 1:31,680. https://doi.org/10.14509/323

GPR 1999-16D

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and detailed electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska, parts of Craig B-1 and B-2 quadrangles: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-16D, 1 sheet, scale 1:31,680. https://doi.org/10.14509/324

GPR 1999-16E

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska (parts of Craig A-2 and A-3 quadrangles): Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-16E, 1 sheet, scale 1:31,680. https://doi.org/10.14509/325

GPR 1999-16F

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska (parts of Craig A-1 and Ketchikan A-6 quadrangles): Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-16F, 1 sheet, scale 1:31,680. https://doi.org/10.14509/326

GPR 1999-16G

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska (parts of Craig A-2 and Dixon Entrance D-2 quadrangles): Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-16G, 1 sheet, scale 1:31,680. https://doi.org/10.14509/327

GPR 1999-16H

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and detailed electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska, parts of Ketchikan A-6, B-5, and B-6 quadrangles: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-16H, 1 sheet, scale 1:31,680. https://doi.org/10.14509/328

GPR 1999-15

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, CD-ROM containing profile and gridded data and section lines of 1999 geophysical survey data for Ketchikan area, parts of the Craig, Dixon Entrance, and Ketchikan quadrangles, southeastern Alaska: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-15, 1 DVD. https://doi.org/10.14509/320

GPR 1999-3A

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 7200 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map A - Salt Chuck and Kasaan Peninsula, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-3A, 1 sheet, scale 1:63,360. https://doi.org/10.14509/278

GPR 1999-3B

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 7200 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map B - north, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-3B, 1 sheet, scale 1:63,360. https://doi.org/10.14509/279

GPR 1999-3C

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 7200 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map C - south, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-3C, 1 sheet, scale 1:63,360. https://doi.org/10.14509/280

GPR 1999-3D

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 7200 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map D - western and eastern parts, Gravina Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-3D, 1 sheet, scale 1:63,360. https://doi.org/10.14509/281

GPR 1999-8A

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 7200 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map A - Salt Chuck and Kasaan Peninsula, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-8A, 1 sheet, scale 1:63,360. https://doi.org/10.14509/298

GPR 1999-8B

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 7200 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map B - north, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-8B, 1 sheet, scale 1:63,360. https://doi.org/10.14509/299

GPR 1999-8C

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 7200 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map C - south, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-8C, 1 sheet, scale 1:63,360. https://doi.org/10.14509/300

GPR 1999-8D

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 7200 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map D - western and eastern parts, Gravina Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-8D, 1 sheet, scale 1:63,360. https://doi.org/10.14509/301

GPR 1999-12C

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 7200 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map C - south, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-12C, 1 sheet, scale 1:63,360. https://doi.org/10.14509/316

GPR 1999-12D

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, 7200 Hz coplanar resistivity of selected areas near Ketchikan, southeastern Alaska, Map D - western and eastern parts, Gravina Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-12D, 1 sheet, scale 1:63,360. https://doi.org/10.14509/317

GPR 1999-1A

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics of selected areas near Ketchikan, southeastern Alaska, Map A - Salt Chuck and Kasaan Peninsula, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-1A, 1 sheet, scale 1:63,360. https://doi.org/10.14509/270

GPR 1999-1B

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics of selected areas near Ketchikan, southeastern Alaska, Map B - north, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-1B, 1 sheet, scale 1:63,360. https://doi.org/10.14509/271

GPR 1999-17

Stephens, Mark, McConnell, Doug, Rudd, Jonathan, and Geoterrex-Dighem, 1999, Project report of the 1999 geophysical survey data for Ketchikan area, parts of the Craig, Dixon Entrance, and Ketchikan quadrangles, southeastern Alaska: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-17, 240 p., 4 sheets, scale 1:63,360. https://doi.org/10.14509/329

GPR 1999-4A

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Flight lines of selected areas near Ketchikan, southeastern Alaska, Map A - Salt Chuck and Kasaan Peninsula, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-4A, 1 sheet, scale 1:63,360. https://doi.org/10.14509/282

GPR 1999-4B

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Flight lines of selected areas near Ketchikan, southeastern Alaska, Map B - north, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-4B, 1 sheet, scale 1:63,360. https://doi.org/10.14509/283

GPR 1999-4C

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Flight lines of selected areas near Ketchikan, southeastern Alaska, Map C - south, Prince of Wales Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-4C, 1 sheet, scale 1:63,360. https://doi.org/10.14509/284

GPR 1999-4D

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Flight lines of selected areas near Ketchikan, southeastern Alaska, Map D - western and eastern parts, Gravina Island: Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-4D, 1 sheet, scale 1:63,360. https://doi.org/10.14509/285

GPR 1999-5A

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska, Map A - Salt Chuck and Kasaan Peninsula, Prince of Wales Island (diazo film version): Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-5A, 1 sheet, scale 1:63,360. https://doi.org/10.14509/286

GPR 1999-5B

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska, Map B - north, Prince of Wales Island (diazo film version): Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-5B, 1 sheet, scale 1:63,360. https://doi.org/10.14509/287

GPR 1999-5C

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska, Map C - south, Prince of Wales Island (diazo film version): Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-5C, 1 sheet, scale 1:63,360. https://doi.org/10.14509/288

GPR 1999-5D

Burns, L.E., Geoterrex-Dighem, WGM, Inc., and U.S. Bureau of Land Management, 1999, Total field magnetics and electromagnetic anomalies of selected areas near Ketchikan, southeastern Alaska, Map D - western and eastern parts, Gravina Island (diazo film version): Alaska Division of Geological & Geophysical Surveys Geophysical Report 1999-5D, 1 sheet, scale 1:63,360. https://doi.org/10.14509/289