Identification_Information: Citation: Citation_Information: Originator: Tim Brabets Publication_Date: 1998 Publication_Time: Title: Roads in the Cook Inlet Basin - National Water-Quality Assessment Program Edition: Geospatial_Data_Presentation_Form: Series_Name Issue_Identification Publication_Information: Publication_Place: Anchorage, AK Publisher: USGS Other_Citation_Details: Online_Linkage: Description: Abstract: nawqa_roads is a line coverage of the roads in the Cook Inlet Basin National Water-Quality Assessment (NAWQA) study unit. The coverage was created using 1:2,000,000 digital line graphs (DLGs). Purpose: The purpose of nawqa_roads was to create one of the cultural features the Cook Inlet NAWQA. The coverage indicates the areas of Cook Inlet that are accessible by vehicles. Supplemental_Information: Procedures_Used: A statewide coverage of the road system was obtained from USGS 1:2,000,000 digital line graphs using techniques described by Domaratz and others (1982). The drainage bsin boundaries of the Cook Inlet Basin, developed from 1:250,000 quadrangle maps, were used as the boundaries of this coverage. Revisions: Revisions will be made as more data become available. Reviews_Applied_to_Data: Roy Glass reviewed the coverage. An editorial review of the documentation was done by Liska Snyder. Related_Spatial_and_Tabular_Data_Sets: None Other_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: U.S. Geological Survey Circular 895-D, 40 p. Notes: None Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 19970915 Beginning_Time: 1200 Ending_Date: 19970915 Ending_Time: 1300 Currentness_Reference: Status: Progress: Complete Maintenance_and_Update_Frequency: Coverage will be updated as new data become available. Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -153.89069826 East_Bounding_Coordinate: -145.06405771 North_Bounding_Coordinate: 63.49075834 South_Bounding_Coordinate: 59.24109582 Keywords: Theme: Theme_Keyword_Thesaurus: None Theme_Keyword: roads, Cook Inlet, Southcentral Alaska, 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: Point_of_Contact USGS-WRD Use_Constraints: The coverage was created from 1:2,000,000 digital line graphs. When using the coverage at smaller scales, exercise caution. Point_of_Contact: Data_Set_Credit: Thanks to the USGS EROS field office, Anchorage, for providing the dataset. 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 Cross_Reference: Citation_Information: Originator: Publication_Date: Publication_Time: Title: Edition: Geospatial_Data_Presentation_Form: Series_Information: Series_Name: Issue_Identification: Publication_Information: Publication_Place: Publisher: Other_Citation_Details: Online_Linkage: 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: Chain-node topology present. Completeness_Report: Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: Quantitative_Horizontal_Positional_Accuracy_Assessment: Horizontal_Positional_Accuracy_Value: 30 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: 2000000 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: TBRABETS COPY /PROJECTS/PROJ_SLED/AK.COVS/BASE2/ROADS Source_Used_Citation_Abbreviation: None Process_Date: 19970516 Process_Time: 0723 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS ARCEDIT /PROJECTS/PROJ_SLED/NAWQA/NAWQA_ROADS Source_Used_Citation_Abbreviation: None Process_Date: 19970516 Process_Time: 0734 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS DOCUMENT NAWQA_ROADS CREATE TBRABETS Source_Used_Citation_Abbreviation: None Process_Date: 19970915 Process_Time: 1627 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS DOCUMENT NAWQA_ROADS UPDATE TBRABETS Source_Used_Citation_Abbreviation: None Process_Date: 19970916 Process_Time: 0719 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS DOCUMENT NAWQA_ROADS UPDATE TBRABETS Source_Used_Citation_Abbreviation: None Process_Date: 19980116 Process_Time: 1339 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS DOCUMENT NAWQA_ROADS UPDATE TBRABETS Source_Used_Citation_Abbreviation: None Process_Date: 19980120 Process_Time: 1524 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS COPY /PROJECTS/PROJ_SLED/NAWQA/NAWQA_ROADS Source_Used_Citation_Abbreviation: None Process_Date: 19980121 Process_Time: 1051 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS DOCUMENT NAWQA_ROADS UPDATE TBRABETS Source_Used_Citation_Abbreviation: None Process_Date: 19980122 Process_Time: 0833 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS DOCUMENT NAWQA_ROADS UPDATE TBRABETS Source_Used_Citation_Abbreviation: None Process_Date: 19980131 Process_Time: 0905 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS BUILD NAWQA_ROADS LINES Source_Used_Citation_Abbreviation: None Process_Date: 19980306 Process_Time: 0731 Source_Produced_Citation_Abbreviation: None Process_Step: Process_Description: TBRABETS DOCUMENT NAWQA_ROADS UPDATE TBRABETS Source_Used_Citation_Abbreviation: None Process_Date: 19980306 Process_Time: 0737 Source_Produced_Citation_Abbreviation: None Cloud_Cover: 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: 0 SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: String Point_and_Vector_Object_Count: 100 SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains Point_and_Vector_Object_Count: 0 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_ROADS.AAT Entity_Type_Definition: Arc attribute table Entity_Type_Definition_Source: USGS Attribute: Attribute_Label: - Attribute_Definition: Arc attribute table Attribute_Definition_Source: USGS 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_ROADS# 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_ROADS-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: Overview_Description: Entity_and_Attribute_Overview: The coverage includes only the standard attributes. 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: 19980306 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