Identification_Information: Citation: Citation_Information: Originator: Tim Brabets Publication_Date: 1998 Publication_Time: Title: Lakes - Cook Inlet Basin - National Water-Quality Assessment Program Edition: Geospatial_Data_Presentation_Form: Series_Name Issue_Identification Publication_Information: Publication_Place: Anchorage Publisher: USGS Other_Citation_Details: Online_Linkage: Description: Abstract: nawqa_lakes is a polygon coverage of lakes greater than 20 acres that are located in the Cook Inlet National Water-Quality Assessment (NAWQA) study unit. The Cook Inlet Basin is located in southcentral Alaska. The coverage was created using 1:2,000,000 digital line graphs (DLGs). Purpose: The purpose of nawqa_lakes is to provide a general overview of the number of lakes greater than 20 acres that are located in the Cook Inlet NAWQA study unit. This coverage, along with other coverages of the Cook Inlet Basin will be used to determine water-quality sampling locations. Limitations_of_Data: The coverage was created from 1:2,000,000 digital line graphs. Thus, caution should be used if the coverage is used at smaller scales. Entity_and_Attribute_Overview: Standard items are found in the polygon attribute data with the exception of the item MIN. MIN = 100 indicates the polygon is a lake. Standard items are found in the arc attribute table with the exception of the item LINECODE. LINECODE = L indicates that the arc is part of the lake. Procedures_Used: Coverage was created by Alaska Department of Natural Resources (ADNR) and USGS personnel using USGS 1:2,000,000 digital line graphs (DLG) datasets. Techniques are described by Domaratz and others (1982). Only those polygons representing lakes having an area greater than 20 acres were kept. Revisions: None. Reviews_Applied_to_Data: Documentation was reviewed by Roy Glass. An editorial review of the documentation was done by Liska Snyder. Related_Spatial_and_Tabular_Data_Sets: None. References_Cited: Domaratz, M.A., Hallam, C.A., Schmidt, W.E., and Calkins, H.W., 1982, Digital line graphs from 1:2,000,000-scale maps (USGS digital cartographic standards): U.S. Geological Survey Circular 895-D, 40 p. Notes: None. Currentness_Reference: Maintenance_and_Update_Frequency: No updates are planned. Access_Constraints: Point_of_Contact: USGS-WRD Data_Set_Credit: Alaska Department of Natural Resources, EROS field office, Anchorage, AK Completeness_Report: Coverage includes only those lakes greater than 20 acres. Horizontal_Positional_Accuracy_Report: Unknown. Vertical_Positional_Accuracy_Report: Cloud_Cover: Abstract: Purpose: Supplemental_Information: Procedures_Used: Revisions: Reviews_Applied_to_Data: Related_Spatial_and_Tabular_Data_Sets: Other_References_Cited: Notes: Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 19970620 Time_of_Day: 1200 Currentness_Reference: Status: Progress: Complete Maintenance_and_Update_Frequency: Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -154.78977481 East_Bounding_Coordinate: -146.16819801 North_Bounding_Coordinate: 63.45064362 South_Bounding_Coordinate: 58.59213757 Keywords: Theme: Theme_Keyword_Thesaurus: None Theme_Keyword: lakes, Cook Inlet, NAWQA, AKWRD Place: Place_Keyword_Thesaurus: None Place_Keyword: Southcentral Alaska, Cook Inlet Basin Stratum: Stratum_Keyword_Thesaurus: None Stratum_Keyword: None Temporal: Temporal_Keyword_Thesaurus: None Temporal_Keyword: None Access_Constraints: Use_Constraints: Point_of_Contact: Data_Set_Credit: Security_Information: Security_Classification_System: None Security_Classification: Unclassified Security_Handling_Description: None Native_Data_Set_Environment: dgux, 5.4R3.10, AViiON UNIX, ARC/INFO version 7.0.4 Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: See Entity_Attribute_Information Quantitative_Attribute_Accuracy_Assessment: Attribute_Accuracy_Value: See Explanation Attribute_Accuracy_Explanation: Attribute accuracy is described, where present, with each attribute defined in the Entity and Attribute Section. Logical_Consistency_Report: Polygon and chain-node topology present. Completeness_Report: Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: Quantitative_Horizontal_Positional_Accuracy_Assessment: Horizontal_Positional_Accuracy_Value: 100 meters Horizontal_Positional_Accuracy_Explanation: Resolution as reported Vertical_Positional_Accuracy: Vertical_Positional_Accuracy_Report: Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Publication_Date: Title: Source_Scale_Denominator: 2,000,000 Type_of_Source_Media: Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: Source_Currentness_Reference: Source_Citation_Abbreviation: Source_Contribution: Process_Step: Process_Description: APPEND LAKES_ALL POLY ALL Source_Used_Citation_Abbreviation: None Process_Date: 19921014 Process_Time: 1417 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: BUILD LAKES_ALL LINE Source_Used_Citation_Abbreviation: None Process_Date: 19921014 Process_Time: 1422 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: ARCEDIT /ELIAS/GREQ/92002/COVERS/LAKES_ALL Source_Used_Citation_Abbreviation: None Process_Date: 19921014 Process_Time: 1428 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: ARCEDIT /ELIAS/GREQ/92002/COVERS/LAKES_ALL Source_Used_Citation_Abbreviation: None Process_Date: 19921014 Process_Time: 1451 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: ARCEDIT /ELIAS/GREQ/92002/COVERS/LAKES_ALL Source_Used_Citation_Abbreviation: None Process_Date: 19921014 Process_Time: 1512 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: BUILD LAKES_ALL POLY Source_Used_Citation_Abbreviation: None Process_Date: 19921014 Process_Time: 1527 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: LABELERRORS LAKES_ALL Source_Used_Citation_Abbreviation: None Process_Date: 19921014 Process_Time: 1535 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: ARCEDIT /ELIAS/GREQ/92002/COVERS/LAKES_ALL Source_Used_Citation_Abbreviation: None Process_Date: 19921015 Process_Time: 0829 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: BUILD LAKES_ALL POLY Source_Used_Citation_Abbreviation: None Process_Date: 19921015 Process_Time: 0835 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: LABELERRORS LAKES_ALL Source_Used_Citation_Abbreviation: None Process_Date: 19921015 Process_Time: 0835 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: COPY /ELIAS/GREQ/92002/COVERS/LAKES_ALL LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19921015 Process_Time: 0905 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: POLYGRID /DB/INV/2MIL/LAKES LAKES_GRID MIN Source_Used_Citation_Abbreviation: None Process_Date: 19921015 Process_Time: 1108 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: POLYGRID /DB/INV/2MIL/LAKES LAKES_GRID Source_Used_Citation_Abbreviation: None Process_Date: 19921027 Process_Time: 1346 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: POLYGRID /DB/INV/2MIL/LAKES LAKES_GRID MIN Source_Used_Citation_Abbreviation: None Process_Date: 19921027 Process_Time: 1403 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: COPY /DB/INV/2MIL/LAKES LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19930210 Process_Time: 1141 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: COPY /AFOE/AKBASE/USGS/LAKES LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19930310 Process_Time: 1717 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: INDEX LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19930316 Process_Time: 1758 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: INDEX LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19930505 Process_Time: 1037 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: PROJECTDEFINE COVER LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19940719 Process_Time: 1556 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS COPY /HOME/BINNIAN/USER2/AFOXTRAS/ALASKA/LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19950329 Process_Time: 1527 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS COPY /HOME/TBRABETS/LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19950329 Process_Time: 1529 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS COPY /PROJECTS/PROJ_SLED/AK.LAKE/LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19970507 Process_Time: 1310 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS ARCEDIT /PROJECTS/PROJ_SLED/NAWQA/NAWQA_LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19970507 Process_Time: 1427 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS BUILD NAWQA_LAKES POLY Source_Used_Citation_Abbreviation: None Process_Date: 19970507 Process_Time: 1432 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS DOCUMENT NAWQA_LAKES CREATE TBRABETS Source_Used_Citation_Abbreviation: None Process_Date: 19970620 Process_Time: 1322 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS ARCEDIT /PROJECTS/PROJ_SLED/NAWQA/NAWQA_LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19970625 Process_Time: 1233 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS BUILD NAWQA_LAKES POLY Source_Used_Citation_Abbreviation: None Process_Date: 19970625 Process_Time: 1234 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS ARCEDIT /PROJECTS/PROJ_SLED/NAWQA/NAWQA_LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19970711 Process_Time: 0707 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS BUILD NAWQA_LAKES POLY Source_Used_Citation_Abbreviation: None Process_Date: 19970711 Process_Time: 0707 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS ARCEDIT /PROJECTS/PROJ_SLED/NAWQA/NAWQA_LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19971015 Process_Time: 0758 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS DOCUMENT NAWQA_LAKES UPDATE TBRABETS Source_Used_Citation_Abbreviation: None Process_Date: 19980116 Process_Time: 1411 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS DOCUMENT NAWQA_LAKES UPDATE TBRABETS Source_Used_Citation_Abbreviation: None Process_Date: 19980120 Process_Time: 1435 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS COPY /PROJECTS/PROJ_SLED/NAWQA/NAWQA_LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19980121 Process_Time: 1009 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS DOCUMENT NAWQA_LAKES UPDATE TBRABETS Source_Used_Citation_Abbreviation: None Process_Date: 19980122 Process_Time: 0753 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS DOCUMENT NAWQA_LAKES UPDATE TBRABETS Source_Used_Citation_Abbreviation: None Process_Date: 19980131 Process_Time: 0834 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS LABELERRORS NAWQA_LAKES Source_Used_Citation_Abbreviation: None Process_Date: 19980227 Process_Time: 1026 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS NODEERRORS NAWQA_LAKES DANGLE Source_Used_Citation_Abbreviation: None Process_Date: 19980227 Process_Time: 1026 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS DOCUMENT NAWQA_LAKES UPDATE TBRABETS Source_Used_Citation_Abbreviation: None Process_Date: 19980227 Process_Time: 1054 Source_Produced_Citation_Abbreviation: None Cloud_Cover: Unknown Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Vector Point_and_Vector_Object_Information: SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: Point Point_and_Vector_Object_Count: 339 SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: String Point_and_Vector_Object_Count: 381 SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains Point_and_Vector_Object_Count: 340 Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Map_Projection: Map_Projection_Name: Albers Conical Equal Area Albers_Conical_Equal_Area: Standard_Parallel: 55 Standard_Parallel: 55 Longitude_of_Central_Meridian: -154 Latitude_of_Projection_Origin: 50 False_Easting: 0.00000 False_Northing: 0.00000 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 1.0 Ordinate_Resolution: 1.0 Planar_Distance_Units: METERS Geodetic_Model: Horizontal_Datum_Name: Unknown Ellipsoid_Name: Clarke 1866 Semi-major_Axis: 6378206.4 Denominator_of_Flattening_Ratio: 294.98 Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: NAWQA_LAKES.PAT Entity_Type_Definition: Polygon attribute table Entity_Type_Definition_Source: Digital line graphs Attribute: Attribute_Label: - Attribute_Definition: Polygon attribute table Attribute_Definition_Source: Digital line graphs Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: - Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: AREA Attribute_Definition: Area of poly/region in square coverage units Attribute_Definition_Source: Computed Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Positive real numbers Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: PERIMETER Attribute_Definition: Perimeter of poly/region in coverage units Attribute_Definition_Source: Computed Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Positive real numbers Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: NAWQA_LAKES# Attribute_Definition: Internal feature number Attribute_Definition_Source: Computed Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Sequential unique positive integer Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: NAWQA_LAKES-ID Attribute_Definition: User-assigned feature number Attribute_Definition_Source: User-defined Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Integer Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: MIN Attribute_Definition: MIN determines whether or not the polygon is a lake Attribute_Definition_Source: Alaska Department of Natural Resources Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: MIN=100, Polygon is a lake Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Detailed_Description: Entity_Type: Entity_Type_Label: NAWQA_LAKES.AAT Entity_Type_Definition: Arc attribute table Entity_Type_Definition_Source: Alaska Department of Natural Resources Attribute: Attribute_Label: - Attribute_Definition: Arc attribute table Attribute_Definition_Source: Alaska Department of Natural Resources Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: - Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: FNODE# Attribute_Definition: Internal number of from-node Attribute_Definition_Source: Computed Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Sequential unique positive integer Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: TNODE# Attribute_Definition: Internal number of to-node Attribute_Definition_Source: Computed Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Sequential unique positive integer Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: LPOLY# Attribute_Definition: Internal number of poly to left of arc Attribute_Definition_Source: Computed Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Sequential unique positive integer Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: RPOLY# Attribute_Definition: Internal number of poly to right of arc Attribute_Definition_Source: Computed Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Sequential unique positive integer Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: LENGTH Attribute_Definition: Length of arc in coverage units Attribute_Definition_Source: Computed Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Positive real numbers Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: NAWQA_LAKES# Attribute_Definition: Internal feature number Attribute_Definition_Source: Computed Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Sequential unique positive integer Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: NAWQA_LAKES-ID Attribute_Definition: User-assigned feature number Attribute_Definition_Source: User-defined Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Integer Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Attribute: Attribute_Label: LINECODE Attribute_Definition: LINECODE indicates whether or not the arc is part of lake Attribute_Definition_Source: Alaska Department of Natural Resources Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: LINECODE=L indicates that the arc is part of the lake Enumerated_Domain_Value_Definition: Enumerated_Domain_Value_Definition_Source: Overview_Description: Entity_and_Attribute_Overview: Entity_and_Attribute_Detail_Citation: Not Available Distribution_Information: Distributor: Contact_Information: Contact_Person_Primary: Contact_Person: Tim Brabets Contact_Organization: USGS-WRD Contact_Position: Hydrologist Contact_Address: Address_Type: mailing address Address: 4230 University Drive, Suite 201 City: Anchorage State_or_Province: AK Postal_Code: 99508 Country: USA Contact_Voice_Telephone: 907-786-7105 Contact_Facsimile_Telephone: 907-786-7150 Contact_Electronic_Mail_Address: tbrabets@usgs.gov Hours_of_Service: 8:00 - 4:30 AST Resource_Description: Alaska Geospatial Data Clearinghouse Distribution_Liability: No liability is assumed Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: ARCG ARC/INFO Generate format Format_Version_Number: 7.0.4 File_Decompression_Technique: gzip Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: Fees: Free Metadata_Reference_Information: Metadata_Date: 19980227 Metadata_Contact: Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998 Metadata_Time_Convention: Local Time Metadata_Security_Information: Metadata_Security_Classification_System: None Metadata_Security_Classification: Unclassified Metadata_Security_Handling_Description: None