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nv_water

Metadata:

Identification_Information
Data_Quality_Information
Spatial_Data_Organization_Information
Spatial_Reference_Information
Entity_and_Attribute_Information
Distribution_Information
Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator: Nevada Natural Heritage Program
Publication_Date: Unknown
Title: nv_water
Geospatial_Data_Presentation_Form: vector digital data
Online_Linkage: <http://heritage.nv.gov/gis/gis.htm#lakes>

Description:

Abstract:: When complete, these data will include all lakes, playas, reservoirs, major wetland areas, and other actual or potential water-body features depicted on current 1:100,000 topographic maps, plus some major and minor features depicted only on 1:24,000 topographic maps.
Purpose: data not avialable

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 1967
Ending_Date: 1997

Currentness_Reference: publication date

Status:

Progress: In work
Maintenance_and_Update_Frequency: As needed

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -121.551989
East_Bounding_Coordinate: -112.633454
North_Bounding_Coordinate: 44.116943
South_Bounding_Coordinate: 34.283863

Keywords:

Theme:

Theme_Keyword_Thesaurus: Unknown
Theme_Keyword: Water Bodies
Theme_Keyword: Playas

Place:

Place_Keyword: Nevada

Access_Constraints: Data not available

Use_Constraints: Data not available

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Nevada Natural Heritage Program

Contact_Address:

Address_Type: mailing and physical address
Address:: Department of Conservation and Natural Resources, 1550 East College Parkway, Suite 137
City: Carson City
State_or_Province: Nevada
Postal_Code: 89706-7921
Country: USA

Contact_Voice_Telephone: (775) 687-4245

Contact_Facsimile_Telephone: (775) 687-1288

Native_Data_Set_Environment:

Microsoft Windows 2000 Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 8.2.0.700

Data_Quality_Information:

Lineage:

Process_Step:

Process_Description:: Compilation started with downloaded digital line graph (DLG) hydrography data for Nevada. Polygons were built and cleaned from the line data using PC-ArcInfo, and then exported to shapefile format for further editing in ArcView. Spurious polygons (water-course anastomoses, etc.) were then removed by comparison with the original DLG data and with 1:100,000 paper topographic maps. The 1:100,000 DRG topographic maps covering Nevada were then reviewed on-screen in series from south to north and from east to west. Boundaries of DLG features were refined as needed, and all other mapped water-body features were digitized on-screen and attributed. In some case, major known water-body features were captured and/or further refined using 1:24,000 DRG topographic maps.
Source_Used_Citation_Abbreviation: j:\nevadadatabrowser\lc_misc\nv_water

Process_Step:

Process_Description: Metadata imported.
Source_Used_Citation_Abbreviation: D:\NevadaDataBrowser\hydrology\nv_water\metadata.xml

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: 2007

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Label point
Point_and_Vector_Object_Count: 2007

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains
Point_and_Vector_Object_Count: 3035

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Point
Point_and_Vector_Object_Count: 4

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Map_Projection:

Map_Projection_Name: Albers Conical Equal Area

Albers_Conical_Equal_Area:

Standard_Parallel: 29.500000
Standard_Parallel: 45.500000
Longitude_of_Central_Meridian: -96.000000
Latitude_of_Projection_Origin: 23.000000
False_Easting: 0.000000
False_Northing: 0.000000

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method: coordinate pair

Coordinate_Representation:

Abscissa_Resolution: 0.002048
Ordinate_Resolution: 0.002048

Planar_Distance_Units: meters

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: nv_water

Attribute:

Attribute_Label: FID

Attribute_Definition: Internal feature number.

Attribute_Definition_Source: ESRI