ANCSA Core Townships

Metadata also available as

Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: Bureau of Land Management Alaska State Office
Publication_Date: 20070914
Title: ANCSA Core Townships
Geospatial_Data_Presentation_Form: vector digital data
Description:
Abstract:
Spatial representation of the ANCSA core townships as set aside by Sections 12(a), 12(b), and 16(b) of the Alaska Native Claims Settlement Act.
Purpose:
This layer provides a spatial representation of the ANCSA core townships and the acreage entitlements by village name.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: unknown
Currentness_Reference: 20060501
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -174.276710
East_Bounding_Coordinate: -131.502397
North_Bounding_Coordinate: 71.381732
South_Bounding_Coordinate: 52.156383
Keywords:
Theme:
Theme_Keyword_Thesaurus: BLM-Theme
Theme_Keyword: Land
Place:
Place_Keyword_Thesaurus: BLM-State
Place_Keyword: Alaska
Access_Constraints:
Discretionary, contains no sensitive information - generally considered releasable.
Use_Constraints:
Any hardcopies or published datasets using this data shall clearly indicate their source.
Any users wishing to modify this data are obligated to report the extent of their modifications. User specifically agrees not to misrepresent modifications to this data, as approved or endorsed by the BLM.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Tim Varner
Contact_Organization: Bureau of Land Management
Contact_Position: IT Specialist
Contact_Address:
Address_Type: mailing and physical address
Address: 222 W. 7th Ave, #13
City: Anchorage
State_or_Province: AK
Postal_Code: 99513
Country: USA
Contact_Voice_Telephone: (907) 271-5799
Contact_Electronic_Mail_Address: tvarner@blm.gov
Native_Data_Set_Environment:
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.2.2.1350

Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Attributes assigned to this coverage are defined in the Informix tables. The twpgrid coverage is joined to the Informix tables by means of a unique identifier.
Attributes are extracted from the Informix tables and joined with the coverage features to ensure referential integrtity with the database. Spot checks were performed to verify attribute accuracy.
Logical_Consistency_Report:
Polygon topology is present. No intersection errors or label errors are present.
Completeness_Report:
There is a one-to-one relationship between each township in the spatial database and on the offical protraction diagrams
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
This data set is constructed from the protracted township grid. Accuracy is derived from that data source and is shown below:
The accuracy of the coordinates in this data is absolute due to their theoretical nature, however the source data shows values to the nearest fraction of a second of latitude or longitude as follows:
1. Township Corners:
0.001" as shown on or calculated from official protraction diagrams, except Umiat Meridian latitudes where they are 0.01".
2. Section Corners:
0.00001" as calculated to preserve angularity and distance.
3. Points along Alaskan-Canadian Boundaries:
3a. For points between Tongass Passage and Mt. St. Elias (not including Boundary Point 187), 0.01" as shown in U.S. Department of State, International Boundary Commission (IBC) publication "JOINT REPORT UPON THE SURVEY AND DEMARCATION OF THE BOUNDARY BETWEEN CANADA AND THE UNITED STATES FROM TONGASS PASSAGE TO MOUNT ST. ELIAS, 1952."
3b. For points between Mt. St. Elias and the Arctic Ocean (including Boundary Point 187), 0.00001" to preserve backwards compatibility with National Geodetic Reference Datum of 1983 using U.S., Department of Commerce, National Geodetic Survey (NGS) computer program NADCON version 2.1.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report: unknown
Lineage:
Process_Step:
Process_Description:
1. Rewrote U:\WorkSpace\ANCSA_Village_Corp\ANCSA Core Townships\CoreTownships.doc as an Excel spreadsheet 2. Save as a comma-delimited file. 3. Joined mtr column to statewide township protraction spatial data - used keep only matching records option. 4. Saved resulting layer as ANCSA_core_twps layer as ArcSDE feature class.
Process_Date: 20051023
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Tim Varner
Contact_Organization: Bureau of Land Management
Contact_Position: IT Specialist
Contact_Address:
Address_Type: mailing and physical address
Address: 222 W. 7th Ave #13
City: Anchorage
State_or_Province: AK
Postal_Code: 99513
Country: USA
Contact_Voice_Telephone: (907) 271-5799
Contact_Electronic_Mail_Address: tvarner@blm.gov

Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: G-polygon
Point_and_Vector_Object_Count: 246

Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.000000335276147
Longitude_Resolution: 0.000000335276147
Geographic_Coordinate_Units: Decimal degrees
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222

Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: ANCSA_Core_Townships
Entity_Type_Definition: ANCSA Core Townships
Entity_Type_Definition_Source: BLM-Alaska Land Information System
Attribute:
Attribute_Label: objectid
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: twp_tin_no
Attribute_Definition: Township Index Number
Attribute_Definition_Source: BLM-Alaska
Attribute_Domain_Values:
Unrepresentable_Domain: varies with MTR
Attribute:
Attribute_Label: mtr
Attribute_Definition: Meridian Township Range
Attribute_Definition_Source: BLM PLSS
Attribute_Domain_Values:
Unrepresentable_Domain: Varies
Attribute:
Attribute_Label: village
Attribute_Definition: Village Name
Attribute_Definition_Source: BLM Alaska Land Information System
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value:
(Upper) Kalskag,Afognak,Akhiok,Akiachak,Akiak,Akutan,Alakanuk,Alatna,Aleknagik,Allakaket,Ambler,Anaktuvuk Pass,Andreafsky,Angoon,Aniak,Anvik,Atka,Atmautlauk,Atqasuk,Ayakulik,Barrow,Beaver,Belkofski,Bethel,Bill Moore?s Slough,Birch Creek,Brevig Mission,Buckland,Cantwell,Chalkyitsik,Chefornak,Chenega,Chevak,Chickaloon,Chignik,Chignik Lagoon,Chignik Lake,Chistochina,Chitina,Chuathbaluk,Chuloonawik,Circle,Clarks Point,Copper Center,Council,Craig,Crooked Creek,Deering,Dillingham,Dot Lake,Eagle,Eek,Egegik,Eklutna,Ekuk,Ekwok,Emmonak,English Bay,Evansville,Eyak,False Pass,Ft. Yukon,Gakona,Galena,Georgetown,Golovin,Goodnews Bay,Grayling,Gulkana,Hamilton,Healy Lake,Holy Cross,Hoonah,Hooper Bay,Hughes,Huslia,Hydaburg,Igiungig,Iliamna,Inalik,Ivanoff Bay,Kaguyak,Kake,Kaktovik,Kaltag,Karluk,Kasaan,Kasigluk,Kiana,King Cove,King Island,Kipnuk,Kivalina,Klawock,Knik,Kobuk,Kokhanok,Koliganek,Kongiganek,Kotlik,Kotzebue,Koyuk,Koyukuk,Kwethluk,Kwigillingok,Larsen Bay,Levelock,Lime Village,Lower Kalskag,Manley Hot Springs,Manokotak,Marshall,Marys Igloo,McGrath,Mekoryuk,Mentasta Lake,Minto,Mountain Village,Naknek,Napaimute,Napakiak,Napaskiak,Nelson Lagoon,Nenana,New Stuyahok,Newhalen,Newtok,Nightmute,Nikolai,Nikolski,Ninilchik,Noatak,Nome,Nondalton,Noorvik,Northway,Nuiqsut,Nulato,Nunapitchuk,Ohogamiut,Old Harbor,Oscarville,Ouzinkie,Paimuit,Pauloff Harbor,Pedro Bay,Perryville,Pilot Point,Pilot Station,Pitkas Point,Platinum,Point Hope,Point Lay,Port Graham,Port Heiden,Port Lions,Portage Creek,Quinhagak,Rampart,Red Devil,Ruby,Russian Mission,Salamatof,Sand Point,Saxman,Scammon Bay,Selawik,Seldovia,Shageluk,Shaktoolik,Sheldon's Point,Shishmaref,Shungnak,Sleetmute,Solomon,South Naknek,St. George,St. Mary's,St. Michael,St. Paul,Stebbbins,Stevens Village,Stony River,Takotna,Tanacross,Tanana,Tatitlek,Tazlina,Telida,Teller,Togiak,Toksook Bay,Tuluksak,Tuntutuliak,Tununak,Twin Hills,Tyonek,Uganik,Ugashik,Umkumiute,Unalakleet,Unalaska,Unga,Uyak,Wainwright,Wales,White Mountain,Woody Island,Yakutat
Enumerated_Domain_Value_Definition: Village Names
Enumerated_Domain_Value_Definition_Source: Alaska Native Claims Settlement Act
Attribute:
Attribute_Label: region_corp
Attribute_Definition: ANCSA Region Corporation
Attribute_Definition_Source: BLM Alaska Land Information System
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value:
Ahtna,Aleut,Arctic Slope,Bering Straits,Bristol Bay,Calista,Chugach,Cook Inlet,Doyon,Koniag,NANA,Sealaska
Enumerated_Domain_Value_Definition: ANCSA Region Corporation
Enumerated_Domain_Value_Definition_Source: Alaska Native Claims Settlement Act
Attribute:
Attribute_Label: base_serial_num
Attribute_Definition: Base Serial Number for Selection
Attribute_Definition_Source: BLM Alaska Land Information System
Attribute_Domain_Values:
Unrepresentable_Domain: Varies
Attribute:
Attribute_Label: shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: corp_name
Attribute_Definition: Village Corporation Name
Attribute_Definition_Source: BLM Alaska Land Information System
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value:
Afognak Native Corporation,Ahtna, Inc.,Akhiok-Kaguyak, Inc.,Akiachak, Limited,Akutan Corporation,Alakanuk Native Corporation,Alaska Peninsula Corporation,Aleknagik Natives Limited,Arviq Incorporated,Askinuk Corporation,Atmautlauk, Limited,Atqasuk Corporation,Atxam Corporation,Ayakulik, Inc.,Azachorok, Inc.,Baan O Yeel Kon Corporation,Bay View, Inc.,Bean Ridge Corporation,Beaver Kwit'chin Corporation,Becharof Corporation,Belkofski Corporation,Bethel Native Corporation,Brevig Mission Native Corporation,Cape Fox Corporation,Chalkyitsik Native Corporation,Chaluka Corporation,Chefarnrmute, Inc.,Chevak Company,Chickaloon-Moose Creek Native Assn.,Chignik Lagoon Native Corporation,Chignik River Limited,Chinuruk Inc.,Chinuruk, Inc.,Chitina Native Corporation,Choggiung Limited,Choggiung, Limited,Chuloonawik Corporation,Council Native Corporation,Cully Corporation, Inc.,Danzhit Hanlaii Corporation,Deloy Ges, Incorporated,Dineega Corporation,Dinyea Corporation,Doleoycheet, Inc.,Dot Lake Native Corporation,Eklutna, Inc.,Ekwok Native Limited,Emmonak Corporation,Evansville, Inc.,Far West, Incorporated,Gana'a'Yoo, Limited,Gana-a'Yoo, Limited,Golovin Native Corporation,Gwitchyaazhee Corporation,Haida Corporation,Hee-Yea-Lingde Corporation,Huna Totem Corporation,Hungwitchin Corporation,Igiugig Native Corporation,Iliamna Natives Limited,Inalik Native Corporation,Iqfijouaq Company,Isanotski Corporation,K'oyitl'ots'ina, Limited,Kake Tribal Corporation,Kaktovik Inupiat Corporation,Kasigluk Incorporated,Kavilco, Incorporated,Kijik Corporation,Kikiktagruk Inupiat Corporation,King Island Native Corporation,Klawock Heenya Corporation,Knikatnu, Inc.,Kokarmuit Corporation,Koliganek Natives Limited,Kongnikilnomuit Yuita Corp.,Koniag, Inc.,Kootznoowoo, Inc.,Kotlik Yupik Corporation,Koyuk Native Corporation,Kugkaktlik Limited,Kuitsarak Incorporated,Kuukpik Corporation, Inc.,Kwethluk Incorporated,Kwik Incorporated,Leisnoi, Inc.,Levelock Natives Limited,Lime Village Company,MTNT, Ltd,Manokotak Natives Limited,Marys Igloo Native Corporation,Maserculiq Incorporated,Mendas Cha-Ag Native Corporation,NANA Regional Corporation, Inc.,Napakiak Corporation,Napaskiak Corporation,Nelson Lagoon Corporation,Nerklikmute Native Corporation,Newtok Corporation,Nima Corporation,Ninilchik Natives Association, Inc.,Northway Natives, Inc.,Nunakauiak Yupik Corporation,Nunamiut Corporation, Inc.,Nunapiglluraq Corporation,Nunapitchuk Limited,OHOG, Incorporated,Oceanside Corporation,Old Harbor Native Corporation,Olgoonik Corporation, Inc.,Oscarville Native Corporation,Ounalashka Corporation,Ouzinkie Native Corporation,Paimuit Corporation,Paug-Vik Incorporated, Limited,Pedro Bay Corporation,Pilot Point Native Corporation,Pilot Station Native Corporation,Pitkas Point Native Corporation,Qanirtuuq Incorporated,Qemirtalek Coast Corporation,Qinarmiut Corporation,Russian Mission Native Corporation,Saguyak, Incorporated,Salamatof Native Association, Inc.,Sanak Corporation,Sea Lion Corporation,Seldovia Native Association, Inc.,Seth-de-ya-ah Corporation,Shaan-Seet Incorporated,Shaktoolik Native Corporation,Shishmaref Native Corporation,Shumagin Corporation,Sitnasuak Native Corporation,Solomon Native Corporation,St. George Tanaq Corporation,St. Mary's Native Corporation,St. Michael Native Corporation,Stebbins Native Corporation,Stuyahok Limited,Swan Lake Corporation,Tanacross Incorporated,Tanadgusix Corporation,Teller Native Corporation,The Chenega Corporation,The English Bay Corporation,The Eyak Corporation,The King Cove Corporation,The Kuskokwim Corporation,The Kuskowim Corporation,The Port Graham Corporation,The Tatitlek Corporation,Tigara Corporation,Tihteet'Aii, Inc.,Toghotthele Corporation,Togiak Natives Limited,Tozitna, Limited,Tulkisarmute Incorporated,Tununrmiut Rinit Corporation,Twin Hills Native Corporation,Tyonek Native Corporation,Uganik Native Inc.,Ukpeagvik Inupiat Corporation,Unalakleet Native Corporation,Unga Corporation,Uyak Natives Inc.,Wales Native Corporation,White Mountain Native Corporation,Yak-Tat Kwaan Incorporated,Zho-tse, Incorporated
Enumerated_Domain_Value_Definition: ANCSA Village Corporation Name
Enumerated_Domain_Value_Definition_Source: ANCSA Village Corporations
Attribute:
Attribute_Label: description
Attribute_Definition: Township Description
Attribute_Definition_Source: BLM-Alaska
Attribute_Domain_Values:
Unrepresentable_Domain: Varies
Attribute:
Attribute_Label: entitlement_12a
Attribute_Definition: ANCSA 12(a) Entitlement Acres
Attribute_Definition_Source: Alaska Native Claims Settlement Act
Attribute_Domain_Values:
Unrepresentable_Domain: Varies
Attribute:
Attribute_Label: reallocation_12b
Attribute_Definition: ANCSA 12(b) Reallocation Acres
Attribute_Definition_Source: Alaska Native Claims Settlement Act
Attribute_Domain_Values:
Unrepresentable_Domain: Varies
Attribute:
Attribute_Label: entitlement_16b
Attribute_Definition: ANCSA 16(b) Entitlement Acres
Attribute_Definition_Source: Alaska Native Claims Settlement Act
Attribute_Domain_Values:
Unrepresentable_Domain: Varies

Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Tim Varner
Contact_Organization: Bureau of Land Management
Contact_Position: IT Specialist
Contact_Address:
Address_Type: mailing and physical address
Address: 222 W. 7th Ave, #13
City: Anchorage
State_or_Province: AK
Postal_Code: 99513
Country: USA
Contact_Voice_Telephone: (907) 271-5799
Contact_Electronic_Mail_Address: tvarner@blm.gov
Resource_Description: Downloadable Data
Distribution_Liability:
No warranty is made by the Bureau of Land Management as to the accuracy, reliability, or completeness of these data for individual use or aggregate use with other data.

Metadata_Reference_Information:
Metadata_Date: 20071107
Metadata_Review_Date: 20071107
Metadata_Future_Review_Date: 20081107
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Bureau of Land Management
Contact_Person: Tim Varner
Contact_Position: IT Specialist
Contact_Address:
Address_Type: mailing and physical address
Address: 222 W. 7th Ave, #13
City: Anchorage
State_or_Province: AK
Postal_Code: 99513
Country: USA
Contact_Voice_Telephone: (907) 271-5799
Contact_Electronic_Mail_Address: tvarner@blm.gov
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Access_Constraints: none
Metadata_Use_Constraints: none
Metadata_Extensions:
Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
Profile_Name: ESRI Metadata Profile

Generated by mp version 2.9.12 on Thu Mar 09 14:07:27 2017