Texas River Basin Boundaries (1:500,000)

Frequently-anticipated questions:

• What does this data set describe?
  1. How should this data set be cited?
  2. What geographic area does the data set cover?
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
  5. What is the general form of this data set?
  6. How does the data set represent geographic features?
  7. How does the data set describe geographic features?
• Who produced the data set?
  1. Who are the originators of the data set?
  2. Who also contributed to the data set?
  3. To whom should users address questions about the data?
• Why was the data set created?
• How was the data set created?
  1. From what previous works were the data drawn?
  2. How were the data generated, processed, and modified?
  3. What similar or related data should the user be aware of?
• How reliable are the data; what problems remain in the data set?
  1. How well have the observations been checked?
  2. How accurate are the geographic locations?
  3. How accurate are the heights or depths?
  4. Where are the gaps in the data? What is missing?
  5. How consistent are the relationships among the data, including topology?
• How can someone get a copy of the data set?
  1. Are there legal restrictions on access or use of the data?
  2. Who distributes the data?
  3. What's the catalog number I need to order this data set?
  4. What legal disclaimers am I supposed to read?
  5. How can I download or order the data?
• Who wrote the metadata?

What does this data set describe?

1. How should this data set be cited?

   U.S. Geological Survey, Unknown, Texas River Basin Boundaries (1:500,000).

   Online Links:

   • Server=chucknorris; Service=5151; Database=SDETrims; Version=dbo.DEFAULT

2. What geographic area does the data set cover?

   West_Bounding_Coordinate: -106.645267

   East_Bounding_Coordinate: -93.507633

   North_Bounding_Coordinate: 36.501232

   South_Bounding_Coordinate: 25.836624

3. What does it look like?

4. Does the data set describe conditions during a particular time period?

   Calendar_Date: unknown

   Currentness_Reference: publication date

5. What is the general form of this data set?

   Geospatial_Data_Presentation_Form: vector digital data

6. How does the data set represent geographic features?
   1. How are geographic features stored in the data set?

      This is a Vector data set. It contains the following vector data types (SDTS terminology):

      • G-polygon (23)

   2. What coordinate system is used to represent geographic features?

      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.000000. Longitudes are given to the nearest 0.000000. Latitude and longitude values are specified in Decimal degrees.

      The horizontal datum used is North American Datum of 1983.
      The ellipsoid used is Geodetic Reference System 80.
      The semi-major axis of the ellipsoid used is 6378137.000000.
      The flattening of the ellipsoid used is 1/298.257222.
      

      Vertical_Coordinate_System_Definition:

      Altitude_System_Definition:

      Altitude_Resolution: 1.000000

      Altitude_Encoding_Method:

      Explicit elevation coordinate included with horizontal coordinates

7. How does the data set describe geographic features?

   SDETrims.DBO.Hydro_RiverBasins

   HUC_MAJOR_

   OBJECTID

   Internal feature number. (Source: ESRI)

   Sequential unique whole numbers that are automatically generated.

   Shape

   Feature geometry. (Source: ESRI)

   Coordinates defining the features.

   FID_1

   PERIMETER

   BASINS_

   BASINS_ID

   BASIN_NAME

   BASIN_NUM

   SDETrims.DBO.Hydro_RiverBasins.AREA

   Shape.area

   Shape.len

   Anno_1_8

Who produced the data set?

1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
   • U.S. Geological Survey

2. Who also contributed to the data set?

3. To whom should users address questions about the data?
   Mark Hayes
   Texas Water Development Board
   Mapping Support Services Coordinator
   1700 North Congress Avenue
   P.O. Box 13231
   Austin, Texas 78711-3231
   USA
   

   (512) 936-0828 (voice)
   (5120 936-0812 (FAX)
   mhayes@twdb.state.tx.us
   

   Hours_of_Service: Monday-Friday 7:00-4:00

Why was the data set created?

This dataset is for use by the Texas Water Development Board.

How was the data set created?

1. From what previous works were the data drawn?

2. How were the data generated, processed, and modified?

3. What similar or related data should the user be aware of?

How reliable are the data; what problems remain in the data set?

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access_Constraints: none

Use_Constraints: none

1. Who distributes the data set?[Distributor contact information not provided.]

2. What's the catalog number I need to order this data set?

   Downloadable Data

3. What legal disclaimers am I supposed to read?

4. How can I download or order the data?
   • Availability in digital form:

     Data format:	SHP Size: 0.992
     Network links:	\\TWDB06\GIS\Documented Data\500k\basins.shp

   • Cost to order the data:

Who wrote the metadata?

Dates:

Last modified: 05-Feb-2001

Metadata author:

Texas Water Development Board
c/o Christy-Ann Archuleta
GIS Specialist
1700 North Congress Avenue
P.O. Box 13231
Austin, Texas 78711-3231
USA

(512) 936-8002 (voice)
(512) 936-2128 (FAX)
christy-ann.archuleta@twdb.state.tx.us

Hours_of_Service: Monday-Friday 8:00-5:00

Metadata standard:

FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)

Metadata extensions used:

• <http://www.esri.com/metadata/esriprof80.html>