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Metadata for PR2HU8
Identification_Information
Abstract
Purpose
Supplemental Information
Data_Quality_Information
Spatial_Data_Organization_Information
Entity_and_Attribute_Information
Detailed Description
Overview
Distribution_Information
Metadata_Reference_Section
Citation_Information
Originator: Dean Oman
Publication_Date: 2001
Title: 8 Digit Hydrologic Unit Boundaries for Puerto Rico and the U.S. Virgin Islands
Geospatial_Data_Presentation_Format: Arc/Info
Publication_Information
Publication_Place: Washington, DC
Publisher: NRCS
Other_Citation_Details: NRI Map Room coverage
Online_Linkage: ftp://ftp-fc.sc.egov.usda.gov/NHQ/pub/land/arc_export/pr2hu8.e00.zip
Description
Abstract
8 digit hydrologic unit boundaries for Puerto Rico and the U.S. Virgin Islands.
Purpose
This coverage is intended as a basemap for national level analysis.
Supplemental_Information
Procedures_Used
This coverage contains the 8 digit hydrologic unit boundaries for Puerto
Rico and the U.S. Virgin Islands. The coverage was downloaded by Iowa State
University from USGS (http://water.usgs.gov/lookup/getspatial?huc250k).
NRCS clipped the coverage to a shoreline created by the National
Center for Resource Innovations (NCRI). NCRI derived the
shoreline from 1:2,000,000 scale USGS Digital Line Graph (DLG) files
Revisions
This coverage was last updated in 2001.
Reviews_Applied_to_Data
This coverage has received no formal review.
Related_Spatial_and_Tabular_Data_Sets
Other NRI Map Room basemap coverages include counties and Federal lands,
derived from USGS coverages, and a Major Land Resource Areas (MLRA) coverage
derived from the MLRA map in Agricultural Handbook 296. These are intended to
have the same shoreline and outer boundaries, although this has not been
thoroughly verified.
References_Cited
NRCS National Headquarters, Resources Inventory and Assessment Division.
Notes
Time_Period_of_Content
Currentness_Reference
This coverage was last updated in 2001.
Status
Progress: complete
Maintenance_and_Update_Frequency
as needed
Spatial_Domain
Bounding_Coordinates
West_Bounding_Coordinate: -67.95642157
East_Bounding_Coordinate: -64.55865743
North_Bounding_Coordinate: 18.51243763
South_Bounding_Coordinate: 17.67304714
Keywords
Theme
Theme_Keyword_Thesaurus: None
Theme_Keyword: Hydrologic Units
Place
Place_Keyword_Thesaurus: None
Place_Keyword: Puerto Rico and the U.S. Virgin Islands
Stratum
Stratum_Keyword_Thesaurus: None
Stratum_Keyword:
Temporal
Temporal_Keyword_Thesaurus: None
Temporal_Keyword:
Access_Constraints
none
Use_Constraints
This coverage is designed for national, regional, and state level analysis.
It may not be appropriate for use at larger scales. This map does not meet National Map Accuracy Standards.
Point_of_Contact: See Distribution_Information for contact information.
Data_Set_Credit
USGS
Mark Rogers, ISU, mtrogers@iastate.edu
Dean Oman at dean.oman@wdc.usda.gov
the RIAD staff at nri@wdc.usda.gov
George Muehlbach, NCRI, made the shoreline.
Security_Information
Security_Classification_System: None
Security_Classification: UNCLASSIFIED
Security_Handling_Description: None
Native_Data_Set_Environment: SunOS UNIX, ARC/INFO version 7.2.1
Cross_Reference
Originator: Dean Oman
Publication_Date: 2001
Publication_Time:
Title: 8 Digit Hydrologic Unit Boundaries for Puerto Rico and the U.S. Virgin Islands
Edition:
Geospatial_Data_Presentation_Form: Arc/Info
Series_Information
Series_Name:
Issue_Identification:
Publication_Information
Publication_Place: Washington, DC
Publisher: NRCS
Other_Citation_Details: NRI Map Room coverage
Online_Linkage: ftp://ftp-fc.sc.egov.usda.gov/NHQ/pub/land/arc_export/pr2hu8.e00.zip
Larger_Work_Citation:
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 topology present.
Completeness_Report
complete
Positional_Accuracy
Horizontal_Positional_Accuracy
Horizontal_Positional_Accuracy_Report:
Vertical_Positional_Accuracy
Vertical_Positional_Accuracy_Report:
Lineage: See Supplemental_Information for overview.
Process_Steps
Process_Step
Process_Description: DOMAN DISSOLVE PR2CROSS PR2HU8 HU8 POLY
Source_Used_Citation_Abbreviation:None
Process_Date: 19980430
Process_Time: 1352
Source_Produced_Citation_Abbreviation: None
Process_Step
Process_Description: DOMAN COPY PR2HU8 /GIS/ARC/PERMANENT/HU8/PR2HU8
Source_Used_Citation_Abbreviation:None
Process_Date: 19980501
Process_Time: 902
Source_Produced_Citation_Abbreviation: None
Process_Step
Process_Description: DOMAN PROJECTCOPY COVER PR2FIPS COVER /GIS/ARC/PERMANENT/HU8/PR2HU8
Source_Used_Citation_Abbreviation:None
Process_Date: 19980520
Process_Time: 1459
Source_Produced_Citation_Abbreviation: None
Process_Step
Process_Description: KMUSSER EXPORT COVER PR2HU8 PR2HU8 NONE
Source_Used_Citation_Abbreviation:None
Process_Date: 19980622
Process_Time: 1005
Source_Produced_Citation_Abbreviation: None
Process_Step
Process_Description: KMUSSER DOCUMENT PR2HU8 COPY /GIS/ARC/PERMANENT/CTY/PR2CTY KMUSSER
Source_Used_Citation_Abbreviation:None
Process_Date: 19980706
Process_Time: 1240
Source_Produced_Citation_Abbreviation: None
Process_Step
Process_Description: KMUSSER DOCUMENT PR2HU8 UPDATE KMUSSER
Source_Used_Citation_Abbreviation:None
Process_Date: 19980706
Process_Time: 1307
Source_Produced_Citation_Abbreviation: None
Process_Step
Process_Description: DOMAN EXPORT COVER PR2HU8 PR2HU8
Source_Used_Citation_Abbreviation:None
Process_Date: 20000203
Process_Time: 733
Source_Produced_Citation_Abbreviation: None
Process_Step
Process_Description: KMUSSER DOCUMENT PR2HU8 DELETE KMUSSER
Source_Used_Citation_Abbreviation:None
Process_Date: 20020103
Process_Time: 1428
Source_Produced_Citation_Abbreviation: None
Process_Step
Process_Description: KMUSSER DOCUMENT PR2HU8 COPY /GIS/ARC/PERMANENT/HU8/US48HU8 KMUSSER
Source_Used_Citation_Abbreviation:None
Process_Date: 20020103
Process_Time: 1429
Source_Produced_Citation_Abbreviation: None
Process_Step
Process_Description: KMUSSER DOCUMENT PR2HU8 UPDATE KMUSSER
Source_Used_Citation_Abbreviation:None
Process_Date: 20020103
Process_Time: 1447
Source_Produced_Citation_Abbreviation: None
Process_Step
Process_Description: KMUSSER DOCUMENT PR2HU8 UPDATE KMUSSER
Source_Used_Citation_Abbreviation:None
Process_Date: 20020103
Process_Time: 1633
Source_Produced_Citation_Abbreviation: None
Process_Step
Process_Description: KMUSSER EXPORT COVER PR2HU8 PR2HU8
Source_Used_Citation_Abbreviation:None
Process_Date: 20020107
Process_Time: 1459
Source_Produced_Citation_Abbreviation: None
Cloud_Cover
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: 207
SDTS_Point_and_Vector_Object_Type: String
Point_and_Vector_Object_Count: 260
SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains'
Point_and_Vector_Object_Count: 207
Horizontal_Coordinate_System_Definition
Planar
Map_Projection:
Map_Projection_Name: ALBERS
Longitude_of_Central_Meridian: -65.75
Latitude_of_Projection_Origin: 18
Latitude_of_First_Standard_Parallel: 17.875
Latitude_of_Second_Standard_Parallel: 18.5
False_Easting: 0.00000
False_Northing: 0.00000
Geodetic Model
Horizontal_Datum_Name: North American Datum of 1927
Ellipsoid_Name: Clarke 1866
Semi-major_Axis: 6,378,206.4
Denominator_of_Flattening: 294.98
Detailed_Description
Entity_Type
Entity_Type_Label: PR2HU8.PAT
Entity_Type_Definition: 8 Digit Hydrologic Unit Codes
Entity_Type_Definition_Source: USGS
Attribute:
Attribute_Label: -
Attribute_Definition: 8 Digit Hydrologic Unit Codes
Attribute_Definition_Source: USGS
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: PR2HU8#
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: PR2HU8-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: HU8
Attribute_Definition: 8 Digit Hydrologic Unit Code
Attribute_Definition_Source: USGS
Attribute_Domain_Values
Enumerated_Domain
Enumerated_Domain_Value:
Enumerated_Domain_Value_Definition
Enumerated_Domain_Value_Definition_Source:
Attribute:
Attribute_Label: HU6
Attribute_Definition: 6 DIgit Hydrologic Unit Code
Attribute_Definition_Source: USGS
Attribute_Domain_Values
Enumerated_Domain
Enumerated_Domain_Value:
Enumerated_Domain_Value_Definition
Enumerated_Domain_Value_Definition_Source:
Attribute:
Attribute_Label: NAME
Attribute_Definition: Hydrologic Unit Name
Attribute_Definition_Source: USGS
Attribute_Domain_Values
Enumerated_Domain
Enumerated_Domain_Value:
Enumerated_Domain_Value_Definition
Enumerated_Domain_Value_Definition_Source:
Overview_Description
Entity_and_Attribute_Overview
Attributes include 8 digit and 6 digit hydrologic unit codes.
Entity_and_Attribute_Detail_Citation: Not Available
Metadata_Date: 19020103
Metadata_Contact:
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: 19940608
Metadata_Time_Convention: Local Time
Metadata_Security_Information:
Metadata_Security_Classification_System: None
Metadata_Security_Classification: UNCLASSIFIED
Metadata_Security_Handling_Description: None
Last modified: 02-01-07.16:17:04.Mon
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