TCEQ_Counties_GAM

20221010 14492300 FALSE 20251217 15551700 20251217 15551700 TWDB_Counties_2011 002 2864096.642601 6949312.832770 17725758.311045 21609442.929565 1 3.748 Projected GCS_North_American_1983 Linear Unit: Foot_US (0.304801) GAM <ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/3.5.0'><WKT>PROJCS["GAM",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Albers"],PARAMETER["False_Easting",4921250.0],PARAMETER["False_Northing",19685000.0],PARAMETER["Central_Meridian",-100.0],PARAMETER["Standard_Parallel_1",27.5],PARAMETER["Standard_Parallel_2",35.0],PARAMETER["Latitude_Of_Origin",31.25],UNIT["Foot_US",0.3048006096012192]]</WKT><XOrigin>-56332700</XOrigin><YOrigin>-7054100</YOrigin><XYScale>3048.0060960121928</XYScale><ZOrigin>0</ZOrigin><ZScale>1</ZScale><MOrigin>0</MOrigin><MScale>1</MScale><XYTolerance>0.0032808333333333331</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision></ProjectedCoordinateSystem> 150000000 5000 1.0 FGDC FGDC CSDGM Metadata ESRI ArcCatalog 9.3.1.4000 en REQUIRED: A brief narrative summary of the data set. REQUIRED: A summary of the intentions with which the data set was developed. REQUIRED: The name of an organization or individual that developed the data set. REQUIRED: The date when the data set is published or otherwise made available for release. TCEQ_Counties_GAM_Dissolve TCEQ_Counties_GAM_Dissolve vector digital data withheld REQUIRED: The basis on which the time period of content information is determined. REQUIRED: The year (and optionally month, or month and day) for which the data set corresponds to the ground. REQUIRED: The state of the data set. REQUIRED: The frequency with which changes and additions are made to the data set after the initial data set is completed. -106.645918 -93.507905 36.500512 25.837461 -106.645918 -93.507905 25.837461 36.500512 REQUIRED: Reference to a formally registered thesaurus or a similar authoritative source of theme keywords. REQUIRED: Common-use word or phrase used to describe the subject of the data set. REQUIRED: Restrictions and legal prerequisites for accessing the data set. REQUIRED: Restrictions and legal prerequisites for using the data set after access is granted. Shapefile Esri ArcGIS 13.5.2.57366 Texas County Boundary Polygons, edited by TWDB GAM team Feburary 02, 2011 -106.645918 -93.507905 36.500512 25.837461 1 -106.645918 -93.507905 36.500512 25.837461 1 1 -106.976935 -93.121471 36.534391 25.705473 Summary (Purpose): The Texas county boundary file used by the Texas Water Development Board (TWDB) Groundwater Availability Models (GAM) program. <DIV STYLE="text-align:Left;"><P STYLE="margin:0 0 14 0;"><SPAN><SPAN>In 2001, the Texas Water Development Board (TWDB) Groundwater Availability Models Team developed a custom GAM coordinate statewide mapping system to best serve the parameters for their desired data outputs. The GAM projection parameters are a modified version of the Texas Centric Projection/Albers (TCP/A) parameters, later renamed as the Texas State Mapping System/Albers Equal Area (TSMS/AEA). For GAM, the coordinate units are in US Survey Feet instead of meters and the Latitude of Projection is at 31.25 North instead of 18.0 North. Albers projection was chosen since it best minimalizes area distortion at mid-latitudes. U.S. Survey Foot was chosen as the linear unit since most source data in the State of Texas are also in feet. This file was created and edited in the GAM coordinate statewide mapping system and is used in the official TWDB GAM models.</SPAN></SPAN></P></DIV> Texas Water Development Board, Groundwater Availability Modeling (512) 936-2415 ranaya@twdb.state.tx.us Texas county boundaries en FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998 local time REQUIRED: The person responsible for the metadata information. REQUIRED: The organization responsible for the metadata information. REQUIRED: The mailing and/or physical address for the organization or individual. REQUIRED: The city of the address. REQUIRED: The state or province of the address. REQUIRED: The ZIP or other postal code of the address. REQUIRED: The telephone number by which individuals can speak to the organization or individual. 20110121 ISO 19115 Geographic Information - Metadata DIS_ESRI1.0 dataset Downloadable Data 0.000 0.000 002 withheld Local Area Network 0.000 Shapefile Enterprise Geodatabase Feature Class 3.748 Vector Simple FALSE 0 TRUE FALSE GCS_North_American_1983 GAM North American Datum of 1983 Geodetic Reference System 80 6378137.000000 298.257222 coordinate pair survey feet 0.000000 0.000000 Explicit elevation coordinate included with horizontal coordinates 1.000000 GAM 0 TWDB_Counties_2011 Feature Class 0 OBJECTID OBJECTID OID 4 10 0 Internal feature number. Esri Sequential unique whole numbers that are automatically generated. SHAPE Shape Geometry 8 0 0 Feature geometry. ESRI Coordinates defining the features. 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20110202 08190700