GIS Metadata

BLM OR District Boundary Land Polygon

Frequently-asked questions:

What does this data set describe?

BLM OR District Boundary Land Polygon

DOB_LAND_POLY: This theme shows the polygon representation of Bureau of Land Management Districts for Oregon and Washington up to the coastline and including the off-shore islands within the district boundaries.

Supplemental information:
BLM (Bureau of Land Management) DOB (District Office Boundary) A published revision of the Department Manual's Part 305: Departmental Science Effects, Chapter 3: Integrity of Scientific and Scholarly Activities (305 DM 3), effective December 16, 2014, is available online at?http://elips.doi.gov/ELIPS/DocView.aspx?id=4056. Scholarly information considered in Departmental decision making must be robust, of the highest quality, and the result of as rigorous scientific and scholarly processes as can be achieved. Most importantly, it must be trustworthy. This policy helps us to achieve that standard (http://www.doi.gov/scientificintegrity/index.cfm)

  1. How should this data set be cited?

    OR/WA BLM, 20151022, BLM OR District Boundary Land Polygon.

  2. What geographic area does the data set cover?

    Bounding coordinates:
    West: -124.763219
    East: -116.463162
    North: 49.002439
    South: 41.992082

  3. What does it look like?

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

    Calendar date: 20151022
    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):
      • GT-polygon composed of chains (299)

    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 2e-008. Longitudes are given to the nearest 2e-008. 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?

    BLM District  Office Land Boundaires (Source: BLM)

    Internal feature number. (Source: ESRI)

    Sequential unique whole numbers that are automatically generated.

    Feature geometry. (Source: ESRI)

    Coordinates defining the features.

    Name of the BLM District that the Resource Area is a part of. (Source: BLM)

    Lakeview District
    Lakeview District
    Burns District
    Burns District
    Vale District
    Vale District
    Prineville District
    Prineville District
    Northwest Oregon District
    Northwest Oregon District
    Roseburg District
    Roseburg District
    Medford District
    Medford District
    Coos Bay District
    Coos Bay District
    Spokane District
    Spokane District

    The official name of the island as listed in the U.S. Geographic Names Information System (GNIS) or the British Columbia GNIS (BCGNIS). (Source: OR/WA BLM)

    Combination of the BLM State and District Office which has administrative responsibility. (Source: OR/WA BLM)

    Burns District Office
    Coos Bay District Office
    Eugene District Office
    Lakeview District Office
    Medford District Office
    Prineville District Office
    Roseburg District Office
    Salem District Office
    Vale District Office
    Spokane District Office

    Entity and attribute overview:
    Attributes are provided that give basic information about source, type, and accuracy of the line data. Data Standard - RESOURCE AREA BOUNDARIES SPATIAL DATA STANDARD REVISION
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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?

    Corey Plank
    Bureau of Land Management
    Lead Cartographer
    P.O. Box 2965
    Portland, OR97201

    (503) 808-6427 (voice)
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Why was the data set created?

This dataset is used for depicting the District Boundary on maps and for various analytical purposes such as clipping other data and calculating acreages.

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How was the data set created?

  1. Where did the data come from?

    OCEAN_POLY (source 1 of 2)

    OR/WA BLM, 20080227, Ocean (Polygon).

    Type of source media: onLine
    Source scale denominator: 24000
    Source contribution:

    DOB_POLY (source 2 of 2)

    Bureau of Land Management, 20151022, BLM OR District Office BoundariesPolygon.

    Type of source media: onLine
    Source scale denominator: 24000
    Source contribution:

  2. What changes have been made?

    Date: 20080227 (change 1 of 1)
    This dataset was derived from the cited sources using the ERASE command.

    Person responsible for change:
    Corey Plank
    Bureau of Land Management, OR/WA State Office
    Lead Cartographer, 957.3 Geographic Products Section
    PO Box 2965
    Portland, OR97208

    503-808-6145 (voice)
    503-808-6190 (FAX)

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

  1. How well have the observations been checked?

    Source materials may be of variable accuracy.

  2. How accurate are the geographic locations?

    Source materials may be of variable accuracy.

  3. How accurate are the heights or depths?

  4. Where are the gaps in the data? What is missing?

    This theme covers all public and private lands in Oregon and Washington.

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

    This theme contains poylgons that do not contain gaps or overlaps within the states of Oregon and Washington.

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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: None, these data are considered public domain.
Use constraints:
These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. The information contained in these data is dynamic and may change over time. The data are not better than the original sources from which they were derived, and both scale and accuracy may vary across the data set. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential users of the data may contemplate. The User is encouraged to carefully consider the content of the metadata file associated with these data. These data are neither legal documents nor land surveys, and must not be used as such. Official records may be referenced at most BLM offices. Please report any errors in the data to the BLM office from which it was obtained. The BLM should be cited as the data source in any products derived from these data. Any Users wishing to modify the data should describe the types of modifications they have performed. The User should not misrepresent the data, nor imply that changes made were approved or endorsed by BLM. This data may be updated by the BLM without notification. DATA STEWARD APPROVAL: Corey Plank, state data steward for DOB_LAND_POLY, approved the use of this dataset on January 22, 2016.

Distributor 1 of 1

  1. Who distributes the data set?

    Eric Hiebenthal
    Bureau of Land Management
    GIS Data Management Specialist
    P.O Box 2965
    Portland, OR97208

    503-808-6340 (voice)
    503-808-6419 (FAX)
    Contact Instructions:
    contact instructions

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

  3. What legal disclaimers am I supposed to read?

    The BLM assumes no responsibility for errors or omissions. No warranty is made by the BLM as to the accuracy, reliability, or completeness of these data for individual use or aggregate use with other data; nor shall the act of distribution to contractors, partners, or beyond, constitute any such warranty for individual or aggregate data use with other data. Although these data have been processed successfully on computers of BLM, no warranty, expressed or implied, is made by BLM regarding the use of these data on any other system, or for general or scientific purposes, nor does the fact of distribution constitute or imply any such warranty. In no event shall the BLM have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind, including, but not limited to, any loss of profits arising out of the use or reliance on the geographic data or arising out of the delivery, installation, operation, or support by BLM.

  4. How can I download or order the data?

    • Availability in digital form:

    • Data format:
      in format Arc GIS Feature Class (version Feature Class) Winzip

    • Cost to order the data: Contact distributor.

    • Special instructions:

      Data are only available through the Oregon/Washington State office of the Bureau of Land Management.

  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?

Last modified: 20151022

Metadata author:
Roger Mills
Bureau of Land Management, Oregon State Office
GIS Specialist
P.O. Box 2965
Portland, OR97208

(503) 808-6340 (voice)
(503) 808-6419 (FAX)
Hours of Service: 8:00-4:00
Contact Instructions:

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

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