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U.S. DEPARTMENT OF THE INTERIOR

BUREAU OF LAND MANAGEMENT

Oregon / Washington

GIS Metadata


BLM OR GTRN Back Country Byways Line

Frequently-asked questions:


What does this data set describe?

Title:
BLM OR GTRN Back Country Byways Line

Abstract:
Back_Country_Byways_arc: The BCB theme is graphical display of the centerline of Back Country Byways in Oregon. This layer is displayed as a single line. The source linework was extracted from the BLM's Ground Transportation Roads layer (GTRN).

Supplemental information:
Theme locally known as BCB

  1. How should this data set be cited?

    OR/WA BLM, 20141215, BLM OR GTRN Back Country Byways Line: OR BLM, Portland, OR.

  2. What geographic area does the data set cover?

    Bounding coordinates:
    West: -123.890116
    East: -116.951276
    North: 45.391391
    South: 42.212566

  3. What does it look like?

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

    Calendar date: 20141215
    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?

      Indirect spatial reference:
      Oregon

      This is a Vector data set. It contains the following vector data types (SDTS terminology):
      • String (1832)

    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 8.98315284119521e-009. Longitudes are given to the nearest 8.98315284119521e-009. Latitude and longitude values are specified in Decimal Degrees.

      The horizontal datum used is D North American 1983.
      The ellipsoid used is GRS 1980.
      The semi-major axis of the ellipsoid used is 6378137.0.
      The flattening of the ellipsoid used is 1/298.257222101.

  7. How does the data set describe geographic features?

    back_country_byways_arc
    Arc attribute table (Source: OR/WA BLM)

    BCB_MILES
    The length of the Back Country Byway in miles.

    OBJECTID
    Internal feature number. (Source: ESRI)
                      

    Sequential unique whole numbers that are automatically generated.

    Shape
    Feature geometry. (Source: ESRI)
                      

    Coordinates defining the features.

    BCB_RAB
    The controlling resource area of the Back Country Byway.

    BCB_NAME
    The name  the Back Country Byway is commonly known by.

    It's common name

    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)

    • OR/WA BLM

  2. Who also contributed to the data set?

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

    Bonnie Lippitt
    Bureau of Land Management Oregon State Office
    P.O Box 2965
    Portland, OR 97208
    US

    503-808-2437 (voice)
    503-808-2622 (FAX)
    Bonnie_Lippitt@blm.gov
    Contact Instructions:
    Call or Email
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Why was the data set created?

Cartographic Display

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How was the data set created?

  1. Where did the data come from?

    GTRN (source 1 of 1)

    OR/WA BLM, unknown, Ground Transportation Roads and Trails (GTRN): OR BLM, Portland, OR.

    Type of source media: onLine
    Source scale denominator: 2400
    Source contribution:
    Lines

  2. What changes have been made?

    Date: 20110527 (change 1 of 1)
    Lines were extracted from Ground Transportation Publication Roads where the special designation name matches a Backcountry Byway name. No attributes from the roads layer were retained - only those from the BackCountryByway table are used.

    Person responsible for change:
    Steve Salas
    U.S. Bureau of Land Management - OR/WA State Office
    GIS Specialist
    503-808-6416 (voice)
    ssalas@blm.gov

    Data sources used in this process:
    • GTRN

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

  1. How well have the observations been checked?

    Unknown

  2. How accurate are the geographic locations?

    Unknown

  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 observations, including topology?

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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: Discretionary, contains no sensitive information; generally considered releasable.
Use constraints:
No warranty is made by the Bureau of Land Management as to the accuracy, reliability, or completeness of these data for individual use or aggregate use with other data.

Distributor 1 of 1

  1. Who distributes the data set?

    Eric Hiebenthal
    Bureau of Land Management, Oregon State Office
    GIS Data Management Specialist
    P.O. Box 2965
    Portland, OR 97208
    US

    503-808-6565 (voice)
    503-808-6419 (FAX)
    ehiebent@blm.gov

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

  3. What legal disclaimers am I supposed to read?

    No warranty is made by the Bureau of Land Management as to the accuracy, reliability, or completeness of these data for individual use or aggregate use with other data.

  4. How can I download or order the data?

  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: 20090810
Last reviewed: 20110624

Metadata author:
Stanley Frazier
Bureau of Land Management, Oregon State Office
State Data Administrator
P.O. Box 2965
Portland, OR 97208
US

(503)808-6009 (direct) (voice)
(503)808-6004 (front desk) (voice)
(503)808-6419 (FAX)
sfrazier@blm.gov

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

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