Rivers, Streams, and Creeks of Nez Perce County

Rivers, Streams, and Creeks of Nez Perce County

Frequently-asked questions:

What does this data set describe?

Title:
Rivers, Streams, and Creeks of Nez Perce County

Abstract: 
Nez Perce County Rivers and Streams

  1. How should this data set be cited?

    Nez Perce County GIS, 20060411, Rivers, Streams, and Creeks of Nez Perce County: Nez Perce County GIS, Lewiston, Idaho, USA.

    Online links:
  2. What geographic area does the data set cover?

    Bounding coordinates:
    West: -117.069272
    East: -116.354318
    North: 46.631931
    South: 45.852304

  3. What does it look like?

    Thumbnail image:

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

    Calendar date: 20060401
    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):
      • String (0)

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

      The map projection used is Transverse Mercator.

      Projection parameters:
      Transverse Mercator
      Scale factor at central meridian: 0.999933
      Longitude of central meridian: -115.750000
      Latitude of projection origin: 41.666667
      False easting: 2624666.666667
      False northing: 0.000000

      Planar coordinates are encoded using coordinate pair.
      Abscissae (x-coordinates) are specified to the nearest 0.000328.
      Ordinates (y-coordinates) are specified to the nearest 0.000328.
      Planar coordinates are specified in survey feet.

      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: 0.000100
      Altitude encoding method: Explicit elevation coordinate included with horizontal coordinates

  7. How does the data set describe geographic features?

    npc_rivers
    river, stream, creek polylines (Source: Nez Perce County GIS)

    FNAME
    feature name (Source: Nez Perce County GIS)

    Coordinates defining the features.

    Shape
    Feature geometry. (Source: ESRI)

    Coordinates defining the features.

    LENGTH
    calculated length (Source: Nez Perce County GIS)

    Coordinates defining the features.

    OBJECTID
    Internal feature number. (Source: ESRI)

    Sequential unique whole numbers that are automatically generated.

    Shape_Length
    Length of feature in internal units. (Source: ESRI)

    Positive real numbers that are automatically generated.

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Who produced the data set?

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

    • Nez Perce County GIS

  2. Who also contributed to the data set?

    Nez Perce County GIS

  3. To whom should users address questions about the data?

    Nez Perce County GIS
    GIS Coordinator
    1230 Main St
    PO Box 896
    Lewiston, ID 83501
    USA

    208.750.2055 (voice)
    gisservices@co.nezperce.id.us
    Hours of Service: 8:00 am to 5:00 pm PST
    Contact Instructions: 
    The phone number listed directs to the Nez Perce County GIS Coordinator.
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Why was the data set created?

The data is intended for geographic display and analysis at the county level.  It is intended for general cartographic and GIS purposes.

This map was compiled and published by Nez Perce County Mapping Services.  Care was taken in compiling these maps.  However, due to the differing quality of source documents and the need to rely on outside sources of information, Nez Perce County Mapping Services cannot accept responsibility for errors or omissions, and therefore there are no warranties which accompany these materials.

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How was the data set created?

  1. Where did the data come from?

  2. What changes have been made?

    Date: 20060301 (change 1 of 4) 
    Verified data, stream location and name

    Dataset copied.

    Dataset moved.

    Data sources used in this process:
    • G:\GIS\County\Nezperce\Hydro\Watersheds\npc_rivers

    Date: 20080910 (change 4 of 4) 
    Dataset copied.

    Data sources used in this process:
    • \\npc-server2\~df_gis\GIS\GDB\Hydro\hydro_features.gdb

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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?

    This data set has been reveiwed to assure it contains the all the major streams, creeks, rivers, and gulches for Nez Perce County.  The hydrographic features are based off original Idaho Dept of Water Resources line work, and further refined using NAIP2004 imagery and Avista imagery.  Names were verified from the USGS quads and local citizens.

  5. How consistent are the relationships among the observations, including topology?

    This data has been reveiwed by the County Mapper, GIS Specialists, and other County personnel for the validity of values and relationships.

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How can someone get a copy of the data set?

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

Access constraints: Public data, no restrictions on access.
Use constraints: 
Public data, no restrictions on use.

Distributor 1 of 1

  1. Who distributes the data set?

    Nez Perce County GIS
    GIS Coordinator
    1230 Main St
    PO Box 896
    Lewiston, ID 83501
    USA

    208.750.2055 (voice)
    gisservices@co.nezperce.id.us
    Hours of Service: 8:00 am to 5:00 pm PST
    Contact Instructions: 
    The phone number listed directs you to the Nez Perce County GIS Coordinator.

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

    Downloadable Data

  3. What legal disclaimers am I supposed to read?

    Although these data have been processed successfully on a computer system at Nez Perce County, Idaho, no warranty, expressed or implied, is made regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty.

  4. How can I download or order the data?

    • Availability in digital form:


      • Data format:
      in format ESRI Shapefile (.shp) Size: 0.463
      Network links: ftp://www.co.nezperce.id.us/gis/

    • Cost to order the data: None


  5. Is there some other way to get the data?

  6. What hardware or software do I need in order to use the data set?

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Who wrote the metadata?

Dates:
Last modified: 20080411

Metadata author:
REQUIRED: The person responsible for the metadata information.
Nez Perce County GIS
GIS Coordinator
1230 Main St
PO Box 896
Lewiston, ID 83501
USA

208.750.2055 (voice)
gisservices@co.nezperce.id.us
Hours of Service: 8:00 am to 5:00 pm PST
Contact Instructions: 
The phone number listed directs to the Nez Perce County GIS Coordinator.

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

Metadata extensions used:
  • http://www.esri.com/metadata/esriprof80.html

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