National Historic Trail - Iditarod National Historic Trail

Metadata also available as

Frequently anticipated questions:


What does this data set describe?

Title: National Historic Trail - Iditarod National Historic Trail
Abstract:
This line coverage contains the Iditarod National Historic Trail within Alaska. This data was derived from 1:250,000 USGS Topo maps.
  1. How should this data set be cited?

    BLM, 20050218, National Historic Trail - Iditarod National Historic Trail.

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -165.494100
    East_Bounding_Coordinate: -147.820474
    North_Bounding_Coordinate: 65.096421
    South_Bounding_Coordinate: 59.815830

  3. What does it look like?

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

    Calendar_Date: 18-Feb-2005
    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 (165)
      • Point (4)

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

      The map projection used is Albers Conical Equal Area.

      Projection parameters:
      Standard_Parallel: 55.000000
      Standard_Parallel: 65.000000
      Longitude_of_Central_Meridian: -154.000000
      Latitude_of_Projection_Origin: 50.000000
      False_Easting: 0.000000
      False_Northing: 0.000000

      Planar coordinates are encoded using coordinate pair
      Abscissae (x-coordinates) are specified to the nearest 0.00001
      Ordinates (y-coordinates) are specified to the nearest 0.00001
      Planar coordinates are specified in meters

      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.

  7. How does the data set describe geographic features?

    nht
    National Landscape Conservation System - National Historic Trail (Source: National Landscape Conservation System data standards)

    NHT_OFFICE
    Refers to the office responsible for managing the trail. (Source: National Landscape Conservation data standards)

    ValueDefinition
    AK 040Anchorage Field Office

    NHT_NAME
    Refers to the official name of the trail. (Source: National Landscape Conservation data standards)

    ValueDefinition
    Iditarod National Historic TrailIditarod National Historic Trail

    FID
    Internal feature number. (Source: ESRI)

    Sequential unique whole numbers that are automatically generated.

    Shape
    Feature geometry. (Source: ESRI)

    Coordinates defining the features.

    shape
    Feature geometry. (Source: ESRI)

    Coordinates defining the features.

    NHT_ID
    Generated Feature ID (Source: National Landscape Conservation data standards)

    Sequential whole numbers that are system generated

    NHT_STATE
    Value refers to the administrative state for the trail. (Source: National Landscape Conservation data standards)

    ValueDefinition
    AKAlaska

    objectid
    Internal feature number. (Source: ESRI)

    Sequential unique whole numbers that are automatically generated.


Who produced the data set?

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

  2. Who also contributed to the data set?

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

    Bureau of Land Management
    Attn: Holli McClain
    Outdoor Recreation Planner
    1150 University Ave.
    Fairbanks, AK 99709
    USA

    (907) 474-2378 (voice)
    (907) 474-2280 (FAX)
    holli_mcclain@blm.gov


Why was the data set created?

This dataset was created to display the Iditarod National Historic Trail managed by the BLM in accordance with the national NLCS GIS standard.


How was the data set created?

  1. From what previous works were the data drawn?

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

    Date: 18-Feb-2005 (process 1 of 1)
    Dataset copied.

    Data sources used in this process:

    • \\aknfgissvr\gisproj\lup\nlcs_statewide\nlcs_boundaries\nht

  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?

    Data set is complete.

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

    Line Topology exists


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:
Not recommended to be used at scales larger than 1:250,000.
Any hardcopies or published datasets using this data shall clearly indicate their source.
Any users wishing to modify this data are obligated to report the extent of their modifications. User specifically agrees not to misrepresent modifications to this data, as approved or endorsed by the BLM.

  1. Who distributes the data set? (Distributor 1 of 1)

    Holli McClain
    Bureau of Land Management
    Outdoor Recreation Planner
    1150 University Ave.
    Fairbanks, AK 99709
    USA

    (907) 474-2378 (voice)
    (907) 474-2280 (FAX)

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

    Downloadable Data

  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?


Who wrote the metadata?

Dates:
Last modified: 08-Jun-2007
Last Reviewed: 08-Jun-2007
To be reviewed: 07-Jun-2008
Metadata author:
Bureau of Land Management
Attn: Holli McClain
Outdoor Recreation Planner
1150 University Ave.
Fairbanks, AK 99709
USA

907--474-2378 (voice)
907-474-2280 (FAX)
holli_mcclain@blm.gov

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


Generated by mp version 2.9.12 on Thu Mar 09 14:08:03 2017