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Alaska Cadastral Data

Geographic Information System (GIS) Data and Maps

The Mapping & Boundary Branch performs mathematical offshore boundary location computations and prepares Official Protraction Diagrams (OPDs), and Supplemental Official OCS Block Diagrams (SOBDs) depicting OCS Block information, the Submerged Lands Act Boundary (aka - State Seaward Boundary), Limit of "8(g) Zone", the Continental Shelf Boundary (CSB) which marks the limit of U.S. jurisdiction for offshore mineral development, and corresponding area measurements. The analytical procedures employed and the computer programs utilized to perform various offshore boundary geometric computations are described in OCS Report MMS 99-0006.

Official Protraction Diagrams (OPD)

Supplemental Official OCS Block Diagram (SOBD)

Composite Block
Diagrams (CBD)

Geographic Information
System (GIS) Files

OPD Images

A standard OPD is 1 degree in latitude by 2 degrees in longitude (at lower latitudes: 0 - 48 degrees). At higher latitudes (48 - 75 degrees) such as Alaska and northern Washington, OPDs are 3 degrees wide. OPD limits usually approximate the standard 1:250,000 scale U.S. Geological Survey topographic map series. The OPDs are numbered using the United Nations International Map of the World Numbering System. OPD names usually coincide with standard topographic sheet names when diagrams include land areas. OPD sheet names relate to land features, or to hydrographic features contained within the limits of the diagram. Shoreline planimetric detail is shown when it falls within the limits of a diagram. Older OPDs were prepared on mylar with manual cartographic methods and then scanned into Adobe .pdf files. Newer OPDs were prepared electronically and converted to Adobe .pdf files.

SOBD Images

A Supplemental Official OCS Block Diagram (SOBD) is prepared for each block intersected by an offshore boundary (Submerged Lands Act Boundary, Limit of "8(g) Zone", National Marine Sanctuaries, etc.). Note that not all OPDs contain such boundaries, therefore not all OPDs have SOBDs associated with them. All the SOBDs for a given OPD are zipped into a single file for downloading. The zip files will contain the most recent version, but older historic versions may also be included for reference. For the purpose of future Lease Sales always be sure to use the most recent version.

CBD Images

Composite Block Diagrams (CBDs) show NAD 27 lease information portrayed on the NAD 83 cadastre, or show other boundaries that have changed over time. Not all OPDs have CBDs associated with them.

SOLD Images

Supplemental Official Lease Diagrams (SOLDs) identify areas within a block or several adjacent blocks that have been combined into a single bidding unit for a specific lease sale. The diagram includes boundary intersections, baseline arc centers, and areas. Not all OPDs have SOLDs associated with them.

Image File Formats

The most current approved revision for each Alaska Region OPD and SOBD may be viewed and downloaded from the list below. OPDs are offered in Adobe (.pdf) format. SOBDs are available as Adobe (.pdf) files that have been compressed with WINZIP. Adobe (.pdf) files may be viewed with the free Adobe Acrobat reader.

GIS Files

The various boundaries are also offered as ESRI ArcGIS shapefiles. Shapefiles can be viewed with the free Arc Explorer viewer, ArcGIS, or a variety of other GIS systems. The shape files have been zipped using WinZip.

Note: The precise coordinates of a GIS file can be altered slightly by various GIS functions. For that reason, these GIS files are not an Official Record for BOEMRE offshore boundaries. Only the coordinates shown on Official OPDs, CBDs, and SOBDs constitute an Official Record for offshore coordinate values.

Note: OPDs have not yet been published for all Alaska offshore areas and only the current versions of published OPDs are available from this site. Please contact the Alaska Region if you are looking for NAD 27, or older superseded NAD 83 versions.

All coordinates are in NAD 83. Alaska Region leases and cadastre data from before 1994 were mapped using the North American Datum of 1927 (NAD 27). These new NAD 83 files do not represent a conversion, but rather a complete re-grid. For further details, see Project Plan for Implementing NAD 83 in the Bureau of Ocean Energy Management, Regulation and Enforcement:

The files below may also be ordered on CD. Contact the Mapping and Boundary Branch.

All Current Published Alaska Region NAD 83 OPDs, SOBDs, SOLDs and CBDs

File Name

Type and File Size

Description
Alaska Region OPD Index Map AK_Index.pdf (3.68 MB PDF)
Updated 02/28/11		 Shows Alaska coast and all Alaska Region OPDs and Planning Areas
Planning Areas PAstats.PDF (10.22 KB PDF)
Updated 10/02/08		 Planning Area Acreages
Official Protraction Diagrams (OPDs) AK_Pdf.zip (103 MB ZIP)
Updated 06/06/05		 All published NAD 83 OPDs for the Alaska Region in Adobe (.pdf) format have been zipped together in a single file. For details see the metadata.
Supplemental Official OCS Block Diagrams (SOBDs) AK_SOBD.zip (202 MB ZIP)
Updated 07/19/05		 All published Alaska NAD 83 SOBDs in Adobe (.pdf) format zipped into a single file. For details see the metadata.
Composite Block Diagrams (CBDs) AK_CBD.zip (18.3 MB ZIP)
Updated 09/29/04		 All published Alaska NAD 83 CBDs in Adobe (.pdf) format zipped into a single file. For details see the metadata.
Supplemental Official Lease Diagrams (SOLDs) AK-SOLD.zip (2.99 MB ZIP)
Updated 02/15/05		 All published Alaska NAD 83 SOLDs in Adobe (.pdf) format zipped into a single file. For details see the metadata.

 

Individual Alaska Region OPDs

OPD Name

OPD Files

SOBD and CBD Files
NM01-03
Kanaga Basin		 NM01-03-03-JUN-2003.pdf (1,271 KB)
Approved 03-JUN-2003

 
NM01-04
(Unnamed)		 NM01-04-03-JUN-2003.pdf (1,271 KB)
Approved 03-JUN-2003

 
NM01-05
(Unnamed)		 NM01-05-03-JUN-2003.pdf (1,281 KB)
Approved 03-JUN-2003

 
NM01-06
(Unnamed)		 NM01-06-03-JUN-2003.pdf (1,282 KB)
Approved 03-JUN-2003

 
NM02-02
Maury Deep		 NM02-02-03-JUN-2003.pdf (1,260 KB)
Approved 03-JUN-2003

 
NM02-03
(Unnamed)		 NM02-03-03-JUN-2003.pdf (1,269 KB)
Approved 03-JUN-2003

 
NM02-04
(Unnamed)		 NM02-04-03-JUN-2003.pdf (1,271 KB)
Approved 03-JUN-2003

 
NM02-05
(Unnamed)		 NM02-05-03-JUN-2003.pdf (1,281 KB)
Approved 03-JUN-2003

 
NM03-01
(Unnamed)		 NM03-01-03-JUN-2003.pdf (1,256 KB)
 Approved 03-JUN-2003

 
NM59-02
(Unnamed)		 NM59-02-03-JUN-2003.pdf (1,257 KB)
Approved 03-JUN-2003

 
NM59-04
(Unnamed)		 NM59-04-03-JUN-2003.pdf (1,270 KB)
Approved 03-JUN-2003

 
NM60-01
Murray Canyon		 NM60-01-03-JUN-2003.pdf (1,257 KB)
Approved 03-JUN-2003

 
NM60-03
(Unnamed)		 NM60-03-03-JUN-2003.pdf (1,268 KB)
Approved 03-JUN-2003

 
NM60-04
(Unnamed)		 NM60-04-03-JUN-2003.pdf (1,275 KB)
Approved 03-JUN-2003

 
NM60-06
(Unnamed)		 NM60-06-03-JUN-2003.pdf (1,284 KB)
Approved 03-JUN-2003

 
NN01-03
Bowers Ridge		 NN01-03-03-JUN-2003.pdf (1,243 KB)
Approved 03-JUN-2003

 
NN01-04
Bowers Seamount		 NN01-04-03-JUN-2003.pdf (1,247 KB)
Approved 03-JUN-2003

 
NN01-05
Pochnoi Trough		 NN01-05-03-JUN-2003.pdf (1,234 KB)
Approved 03-JUN-2003

 
NN01-06
Korovin Canyon		 NN01-06-03-JUN-2003.pdf (1,236 KB)
Approved 03-JUN-2003

 
NN02-01
Pribilof Canyon West		 NN02-01-03-JUN-2003.pdf (1,216 KB)
Approved 03-JUN-2003

 
NN02-02
Pribilof Canyon		 NN02-02-03-JUN-2003.pdf (1,221 KB)
Approved 03-JUN-2003

 
NN02-03
Chagulak Canyon		 NN02-03-03-JUN-2003.pdf (1,243 KB)
Approved 03-JUN-2003

 
NN02-05
Amlia Knoll		 NN02-05-03-JUN-2003.pdf (1,230 KB)
Approved 03-JUN-2003

 
NN03-01
Akutan North		 NN03-01-03-JUN-2003.pdf (1,220 KB)
Approved 03-JUN-2003

 
NN03-02
Cold Bay		 NN03-02-01-NOV-2004.pdf (3,293 KB)
Approved 01-NOV-2004		 NN03-02-83.zip (2,905 KB)
(Updated 07/19/05)
NN03-04
False Pass		 NN03-04-01-NOV-2004.pdf (3,132 KB)
Approved 01-NOV-2004

 
NN03-07
(Unnamed)		 NN03-07-03-JUN-2003.pdf (1,250 KB)
Approved 03-JUN-2003

 
NN03-08
Aleutian Trench		 NN03-08-03-JUN-2003.pdf (1,255 KB)
Approved 03-JUN-2003

 
NN04-01
Stepovak Bay		 NN04-01-01-NOV-2004.pdf (2,951 KB)
Approved 01-NOV-2004		 NN04-01-83.zip (657 KB)
(Updated 07/19/05)
NN04-04
Shumagin Bank		 NN04-04-03-JUN-2003.pdf (877 KB)
Approved 03-JUN-2003

 
NN04-05
Derickson Seamount		 NN04-05-03-JUN-2003.pdf (848 KB)
Approved 03-JUN-2003

 
NN04-06
Walls Knoll		 NN04-06-03-JUN-2003.pdf (857 KB)
Approved 03-JUN-2003

 
NN04-07
Sirius Seamount		 NN04-07-03-JUN-2003.pdf (870 KB)
Approved 03-JUN-2003

 
NN05-02
(Unnamed)		 NN05-02-03-JUN-2003.pdf (844 KB)
Approved 03-JUN-2003

 
NN05-03
Chirikof Seamount		 NN05-03-03-JUN-2003.pdf (866 KB)
Approved 03-JUN-2003

 
NN05-05
(Unnamed)		 NN05-05-03-JUN-2003.pdf (851 KB)
Approved 03-JUN-2003

 
NN08-01
Baker Fan		 NN08-01-03-JUN-2003.pdf (1,172 KB)
Approved 03-JUN-2003

 
NN60-03
Ulm Plateau		 NN60-03-03-JUN-2003.pdf (863 KB)
Approved 03-JUN-2003

 
NN60-04
Bowers Bank		 NN60-04-03-JUN-2003.pdf (868 KB)
Approved 03-JUN-2003

 
NN60-05
(Unnamed)		 NN60-05-03-JUN-2003.pdf (850 KB)
Approved 03-JUN-2003

 
NN60-06
Rude Canyon		 NN60-06-03-JUN-2003.pdf (856 KB)
Approved 03-JUN-2003

 
NO01-02
Pervenets Canyon East		 NO01-02-03-JUN-2003.pdf (1,120 KB)
Approved 03-JUN-2003

 
NO01-04
Zhemchug Spur		 NO01-04-03-JUN-2003.pdf (796 KB)
Approved 03-JUN-2003

 
NO02-01
St. Matthew South		 NO02-01-03-JUN-2003.pdf (796 KB)
Approved 03-JUN-2003

 
NO02-02
Cape Mendenhall West		 NO02-02-03-JUN-2003.pdf (803 KB)
Approved 03-JUN-2003

 
NO02-03
Bering Sea		 NO02-03-03-JUN-2003.pdf (791 KB)
Approved 03-JUN-2003

 
NO02-04
St. Paul North		 NO02-04-03-JUN-2003.pdf (790 KB)
Approved 03-JUN-2003

 
NO02-05
St. Paul Spur		 NO02-05-03-JUN-2003.pdf (815 KB)
Approved 03-JUN-2003

 
NO02-07
St. George Canyon		 NO02-07-03-JUN-2003.pdf (825 KB)
Approved 03-JUN-2003

 
NO03-03
Cape Newenham West		 NO03-03-03-JUN-2003.pdf (796 KB)
Approved 03-JUN-2003

 
NO03-04
Cape Newenham		 NO03-04-01-NOV-2004.pdf (1,306 KB)
Approved 01-NOV-2004

 
NO03-05
St. Paul East		 NO03-05-03-JUN-2003.pdf (817 KB)
Approved 03-JUN-2003

 
NO03-06
Bristol Bay North		 NO03-06-03-JUN-2003.pdf (820 KB)
Approved 03-JUN-2003

 
NO03-07
St. George East		 NO03-07-03-JUN-2003.pdf (829 KB)
Approved 03-JUN-2003

 
NO03-08
Bristol Bay		 NO03-08-03-JUN-2003.pdf (839 KB)
Approved 03-JUN-2003

 
NO04-01
Goodnews		 NO04-01-01-NOV-2004.pdf (1,957 KB)
Approved 01-NOV-2004

 
NO04-03
Hagemeister Island		 NO04-03-01-NOV-2004.pdf (2,181 KB)
Approved 01-NOV-2004		 NO04-03-83.zip (1,891 KB)
(Updated 07/19/05)
NO04-04
Naknek		 NO04-04-01-NOV-2004.pdf (1,309 KB)
Approved 01-NOV-2004		 NO04-04-83.zip (3,334 KB)
(Updated 07/19/05)
NO04-05
Ugashik West		 NO04-05-03-JUN-2003.pdf (819 KB)
Approved 03-JUN-2003

 
NO04-06
Ugashik		 NO04-06-01-NOV-2004.pdf (1,980 KB)
Approved 01-NOV-2004		 NO04-06-83.zip (6,302 KB)
(Updated 07/19/05)
NO04-07
Chignik		 NO04-07-01-nov-2004.pdf (1,667 KB)
Approved 01-NOV-2004		 NO04-07-83.zip (6,770 KB)
(Updated 07/19/05)
NO04-08
Sutwik Island		 NO04-08-01-nov-2004.pdf (2,159 KB)
Approved 01-NOV-2004		 NO04-08-83.zip (355 KB)
(Updated 07/19/05)
NO05-01
Iliamna		 NO05-01-03-JAN-1994.pdf (1,638 KB)
Approved 03-JAN-1994		 NO05-01-83.zip (3,573 KB)
NO05-02
Seldovia		 NO05-02-04-JAN-1995.pdf (1,693 KB)
Approved 04-JAN-1995		 NO05-02-83.zip (14,610 KB)
(Updated 11/26/04)
NO05-03
Mt Katmai		 NO05-03-03-JAN-1994.pdf (1,729 KB)
Approved 03-JAN-1994		 NO05-03-83.zip (6,426 KB)
NO05-04
Afognak		 NO05-04-04-JAN-1995.pdf (1,630 KB)
Approved 04-JAN-1995		 NO05-04-83.zip (1,946 KB)
NO05-05
Karluk		 NO05-05-04-JAN-1995.pdf (1,626 KB)
Approved 04-JAN-1995		 NO05-05-83.zip (8,053 KB)
(Updated 08/07/03)
NO05-08
Albatross Bank		 NO05-08-03-JUN-2003.pdf (835 KB)
Approved 03-JUN-2003

 
NO06-01
Blying Sound		   NO06-01-83.zip (5,902 KB)
(Updated 11/26/04)
NO06-02
Middleton Island		 NO06-02-01-SEP-1994.pdf (1,588 KB)
Approved 01-SEP-1994		 NO06-02-83.zip (4,601 KB)
NO06-03
Portlock Bank		 NO06-03-03-JUN-2003.pdf (803 KB)
Approved 03-JUN-2003

 
NO06-04
Dall Seamount		 NO06-04-03-JUN-2003.pdf (798 KB)
Approved 03-JUN-2003

 
NO06-05
Kodiak East		 NO06-05-03-JUN-2003.pdf (821 KB)
Approved 03-JUN-2003

 
NO06-06
Surveyor Seachannel		 NO06-06-03-JUN-2003.pdf (822 KB)
Approved 03-JUN-2003

 
NO06-07
(Unnamed)		 NO06-07-03-JUN-2003.pdf (829 KB)
Approved 03-JUN-2003

 
NO07-01
Icy Bay		 NO07-01-01-SEP-1994.pdf (1,564 KB)
Approved 01-SEP-1994		 NO07-01-83.zip (5,063 KB)
NO07-02
Yakutat		 NO07-02-01-SEP-1994.pdf (1,866 KB)
Approved 01-SEP-1994		 NO07-02-83.zip (6,040 KB)
NO07-03
Icy Bay South		 NO07-03-03-JUN-2003.pdf (802 KB)
Approved 03-JUN-2003

 

NO07-04
Alsek Valley

 NO07-04-01-SEP-1994.pdf (1,551 KB)
Approved 01-SEP-1994		 NO07-04-83.zip (1,395 KB)
NO07-05
(Unnamed)		 NO07-05-03-JUN-2003.pdf (817 KB)
Approved 03-JUN-2003

 
NO07-06
(Unnamed)		 NO07-06-03-JUN-2003.pdf (827 KB)
Approved 03-JUN-2003

 
NO07-08
(Unnamed)		 NO07-08-03-JUN-2003.pdf (832 KB)
Approved 03-JUN-2003

 
NO08-03
Mt Fairweather		 NO08-03-01-SEP-1994.pdf (1,814 KB)
Approved 01-SEP-1994		 NO08-03-83.zip (4,584 KB)
NP01-08
St. Matthew West		 NP01-08-03-JUN-2003.pdf (769 KB)
Approved 03-JUN-2003

 
NP02-03
Gambell South		 NP02-03-03-JUN-2003.pdf (740 KB)
Approved 03-JUN-2003

 
NP02-05
St. Matthew North		 NP02-05-03-JUN-2003.pdf (750 KB)
Approved 03-JUN-2003

 
NP02-06
Hooper Bay West		 NP02-06-03-JUN-2003.pdf (766 KB)
Approved 03-JUN-2003

 
NP02-08
Nunivak Island West		 NP02-08-03-JUN-2003.pdf (780 KB)
Approved 03-JUN-2003

 
NP03-01
Norton Sound		 NP03-01-03-JUN-2003.pdf (753 KB)
Approved 03-JUN-2003

 
NP05-08
Kenai		 NP05-08-03-JAN-1994.pdf (1,662 KB)
Approved 03-JAN-1994		 NP05-08-83.zip (2,185 KB)
NP06-07
Gulf of Alaska

 

NP06-07-83.zip (508 KB)
(Updated 11/26/04)
NP06-08
Cordova		 NP06-08-01-SEP-1994.pdf (1,857 KB)
Approved 01-SEP-1994

NP06-08-83.zip (5,160 KB)
(Updated 11/26/04)
NP07-07
Bering Glacier		 NP07-07-01-SEP-1994.pdf (2,013 KB)
Approved 01-SEP-1994		 NP07-07-83.zip (1,838 KB)
NR02-02
Tison		 NR02-02-31-DEC-1994.pdf (1,389 KB)
Approved 31-DEC-1994		 NR02-02-83.zip (2,259 KB)
NR02-04
Studds		 NR02-04-31-DEC-1994.pdf (1,427 KB)
Approved 31-DEC-1994		 NR02-04-83.zip (2,302 KB)
NR02-06
Chukchi Sea		 NR02-06-31-DEC-1994.pdf (1,434 KB)
Approved 31-DEC-1994		 NR02-06-83.zip (2,267 KB)
NR02-08
Point Hope West		 NR02-08-31-DEC-1994.pdf (1,449 KB)
Approved 31-DEC-1994		 NR02-08-83.zip (2,317 KB)
NR03-01
Karo

NR03-01-31-DEC-1994.pdf (1,433 KB)
Approved 31-DEC-1994

  
NR03-02
Posey		 NR03-02-31-DEC-1994.pdf (1,490 KB)
Approved 31-DEC-1994		  
NR03-03
Colbert		 NR03-03-31-DEC-1994.pdf (1,502 KB)
Approved 31-DEC-1994		  
NR03-04
Solivik Island		 NR03-04-30-SEP-97.pdf (733 KB)
Approved 30-SEP-1997		 NR03-04-83.zip (4,530 KB)
NR03-05
Point Lay West

NR03-05-30-SEP-97.pdf (718 KB)
Approved 30-SEP-1997

 NR03-05-83.zip (725 KB)
NR03-06
Point Lay

NR03-06-30-SEP-97.pdf (693 KB)
Approved 30-SEP-1997

 NR03-06-83.zip (9,402 KB)
NR03-07
Point Hope		 NR03-07-30-SEP-97.pdf (857 KB)
Approved 30-SEP-1997		 NR03-07-83.zip (10,009 KB)
NR03-08
De Long Mountains

NR03-08-30-SEP-97.pdf (386 KB)
Approved 30-SEP-1997

 NR03-08-83.zip (653 KB)
NR04-01
Hanna Shoal

NR04-01-30-SEP-97.pdf (666 KB)
Approved 30-SEP-1997

 NR04-01-83.zip (101 KB)
NR04-02
Barrow		 NR04-02-30-SEP-97.pdf (794 KB)
Approved 30-SEP-1997		 NR04-02-83.zip (6,578 KB)
NR04-03
Wainwright

NR04-03-30-SEP-97.pdf (775 KB)
Approved 30-SEP-1997

 NR04-03-83.zip (9,074 KB)
NR04-04
Meade River

NR04-04-30-SEP-97.pdf (487 KB)
Approved 30-SEP-1997

 NR04-04-83.zip (3,248 KB)
NR05-01
Dease Inlet		 NR05-01-30-SEP-97.pdf (783 KB)
Approved 30-SEP-1997		 NR05-01-SOLD.zip (283 KB)
(Updated 07/30/03)
NR05-01-83.zip (6,433 KB)
NR05-02
Harrison Bay North

NR05-02-30-SEP-97.pdf (687 KB)
Approved 30-SEP-1997

NR05-02-CBD.zip (36 KB)
(Updated 11/17/03)
NR05-02-83.zip (431 KB)
NR05-03
Teshekpuk

NR05-03-30-SEP-97.pdf (562 KB)
Approved 30-SEP-1997

 NR05-03-SOLD.zip (237 KB)
(Updated 07/30/03)
NR05-03-83.zip (2,012 KB)
NR05-04
Harrison Bay

NR05-04-30-SEP-97.pdf (880 KB)
Approved 30-SEP-1997

NR05-04-SOLD.zip (791 KB)
(Updated 02/15/05)
NR05-04-CBD.zip (557 KB)
(Updated 08/07/03)
NR05-04-83.zip (8,511 KB)

NR06-01
Beechey Point North

 . NR06-01-01-FEB-1996.pdf (1,489 KB)
Approved 01-FEB-1996		  
NR06-02
Flaxman Island North		 NR06-02-01-FEB-1996.pdf (1,510 KB)
Approved 01-FEB-1996		  
NR06-03
Beechey Point

NR06-03-30-SEP-97.pdf (913 KB)
Approved 30-SEP-1997

NR06-03-SOLD.zip (1,711 KB)
(Updated 02/15/05)
NR06-03-CBD.zip (12,068 KB)
(Updated 09/29/04)
NR06-03-83.zip (11,686 KB)
(Updated 1/22/03)
NR06-04
Flaxman Island		 NR06-04-30-SEP-97.pdf (913 KB)
Approved 30-SEP-1997

NR06-04-SOLD.zip (47 KB)
(Updated 09/08/03)
NR06-04-CBD.zip (5,354 KB)
(Updated 08/28/03)
NR06-04-83.zip (8,623 KB)
NR06-06
Mt Michelson

NR06-06-30-SEP-97.pdf (331 KB)
Approved 30-SEP-1997

  
NR07-01
(Unnamed)		 NR07-01-01-FEB-1996.pdf (1.455 KB)
Approved 01-FEB-1996		  
NR07-02
(Unnamed)		 NR07-02-01-FEB-1996.pdf (1,404 KB)
Approved 01-FEB-1996		 NR07-02-83.zip (1,512 KB)
NR07-03
Barter Island

NR07-03-30-SEP-97.pdf (767 KB)
Approved 30-SEP-1997

 NR07-03-83.zip (4,997 KB)

NR07-04
Mackenzie Canyon North

 NR07-04-01-FEB-96.pdf (415 KB)
Approved 01-FEB-96		 NR07-04-83.zip (1,472 KB)
NR07-05
Demarcation Point		 NR07-05-30-SEP-97.pdf (484 KB)
Approved 30-SEP-1997		 NR07-05-83.zip (3,673 KB)
NR07-06
Mackenzie Canyon

NR07-06-30-SEP-97.pdf (359 KB)
Approved 30-SEP-1997

 NR07-06-83.zip (1,378 KB)

NS02-04
(Unnamed)

 NS02-04-31-DEC-1994.pdf (1,411 KB)
Approved 31-DEC-1994		 NS02-04-83.zip (2,189 KB)
NS02-06
(Unnamed)		 NS02-06-31-DEC-1994.pdf (1,382 KB)
Approved 31-DEC-1994		 NS02-06-83.zip (2,401 KB)
NS02-08
(Unnamed)		 NS02-08-31-DEC-1994.pdf (1,394 KB)
Approved 31-DEC-1994		 NS02-08-83.zip (2,275 KB)
NS03-03
(Unnamed)		 NS03-03-31-DEC-1994.pdf (1,436 KB)
Approved 31-DEC-1994		  
NS03-04
(Unnamed)		 NS03-04-31-DEC-1994.pdf (1,487 KB)
Approved 31-DEC-1994		  
NS03-05
(Unnamed)		 NS03-05-31-DEC-1994.pdf (2,192 KB)
Approved 31-DEC-1994		  
NS03-06
(Unnamed)		 NS03-06-31-DEC-1994.pdf (1,463 KB)
Approved 31-DEC-1994		  
NS03-07
(Unnamed)		 NS03-07-31-DEC-1994.pdf (1,493 KB)
Approved 31-DEC-1994		  
NS03-08
(Unnamed)		 NS03-08-31-DEC-1994.pdf (1,481 KB)
Approved 31-DEC-1994		  
NS04-03
(Unnamed)		 NS04-03-31-DEC-1994.pdf (1,445 KB)
Approved 31-DEC-1994		  
NS04-04
(Unnamed)		 NS04-04-31-DEC-1994.pdf (1,431 KB)
Approved 31-DEC-1994		  
NS04-05
(Unnamed)		 NS04-05-31-DEC-1994.pdf (1,450 KB)
Approved 31-DEC-1994		  
NS04-06
(Unnamed)		 NS04-06-31-DEC-1994.pdf (1,481 KB)
Approved 31-DEC-1994		  
NS04-07
(Unnamed)		 NS04-07-31-DEC-1994.pdf (1,458 KB)
Approved 31-DEC-1994		  
NS04-08
(Unnamed)		 NS04-08-31-DEC-1994.pdf (1,479 KB)
Approved 31-DEC-1994		  
NS05-03
(Unnamed)		 NS05-03-01-FEB-1996.pdf (1,480 KB)
Approved 01-FEB-1996

 
NS05-04
(Unnamed)		 NS05-04-01-FEB-1996.pdf (1,433 KB)
Approved 01-FEB-1996		  
NS05-05
(Unnamed)		 NS05-05-01-FEB-1996.pdf (1,478 KB)
Approved 01-FEB-1996		  
NS05-06
(Unnamed)		 NS05-06-01-FEB-1996.pdf (1,461 KB)
Approved 01-FEB-1996		  
NS05-07
Barrow Canyon		 NS05-07-01-FEB-1996.pdf (1,484 KB)
Approved 01-FEB-1996		  
NS05-08
Canada Basin West		 NS05-08-01-FEB-1996.pdf (1,479 KB)
Approved 01-FEB-1996		  
NS06-03
(Unnamed)		 NS06-03-01-FEB-1996.pdf (1,436 KB)
Approved 01-FEB-1996		  
NS06-05
(Unnamed)		 NS06-05-01-FEB-1996.pdf (1,482 KB)
Approved 01-FEB-1996		  
NS06-06
(Unnamed)		 NS06-06-01-FEB-1996.pdf (1,482 KB)
Approved 01-FEB-1996		  
NS06-07
Canada Basin		 NS06-07-01-FEB-1996.pdf (1,475 KB)
Approved 01-FEB-1996		  
NS06-08
(Unnamed)		 NS06-08-01-FEB-1996.pdf (1,485 KB)
Approved 01-FEB-1996		  
NS07-05
(Unnamed)		 NS07-05-01-FEB-1996.pdf (1,481 KB)
Approved 01-FEB-1996		  
NS07-06
(Unnamed)		 NS07-06-01-FEB-1996.pdf (1,487 KB)
Approved 01-FEB-1996		  

NS07-07
Beaufort Terrace

 NS07-07-01-FEB-1996.pdf (1,457 KB)
Approved 01-FEB-1996		  
NS07-08
(Unnamed)

NS07-08-01-FEB-1996.pdf (1,463 KB)
Approved 01-FEB-1996

 NS07-08-83.zip (914 KB)
NS08-05
(Unnamed)

NS08-05-01-FEB-1996.pdf (1,384 KB)
Approved 01-FEB-1996

 NS08-05-83.zip (1,172 KB)
NS08-07
(Unnamed)		 NS08-07-01-FEB-1996.pdf (1,364 KB)
Approved 01-FEB-1996		 NS08-07-83.zip (689 KB)

 

Alaska Region GIS Coverages

Arc View Shapefiles

Description
ak_lease.zip (130 KB)
Updated 10/01/10		 Active leases up through Sale 193. See detailed metadata          browse-graphic 
blocks.zip (9,442 KB)
Updated 01/30/04		 Standard OCS Blocks are 2304 hectares. See detailed metadata browse-graphic
coast.zip (4,593 KB)
Updated 07/01/02		 Coastline from Alaska DNR, based on USGS Maps 1:63,000. See detailed metadata browse-graphic
csb.zip (62 KB)
Updated 01/30/04

Continental Shelf Boundary (CSB) the limit of U.S. jurisdiction for OCS mineral development. See detailed metadata          browse-graphic
fedstate.zip (1,372 KB)
Updated 07/01/02		 The fedstate line marks Federal vs. State jurisdiction for Submerged Lands Act purposes. See detailed metadata          browse-graphic
line_8g.zip (1,020 KB)
Updated 07/01/02		 Limit of "8(g) zone" lies 3 n mi. seaward of the fedstate line. See detailed metadata        browse-graphic
parkline.zip (75 KB)
Updated 01/30/04		 The offshore portion of the Glacier Bay National Park boundary line. See detailed metadata        browse-graphic
planarea.zip (1,641 KB)
Updated 09/09/02		 Alaska Planning Area outlines. See detailed metadata browse-graphic
ak_5yr.zip (253 KB)
Updated 04/07/04		 Outline of areas offered for lease in the 2002-2007 5 Year Plan. See detailed metadata browse-graphic
protrac.zip (152 KB)
Updated 01/30/04		 Official Protraction Diagram (OPD) outlines. See detailed metadata browse-graphic

Additional Alaska Data Sources
bullet

Alaska Geospatial Data Clearinghouse
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Alaska State Geo-Spatial Data Clearinghouse
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Chukchi Sea Sale 193 Results
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Alaska Region Leasing Activities

Last Updated: 08/24/2011, 01:39 PM Central Time