Census 1990 Blocks

Metadata also available as - [Outline]

Frequently anticipated questions:


What does this data set describe?

Title: Census 1990 Blocks
Abstract: 1990 Census Blocks developed for KC TRC from Tigerline files.
Supplemental_Information: None
  1. How should this data set be cited?

    County, King, 20050927, Census 1990 Blocks: King County, King County, WA.

    Online Links:

    • None

    Other_Citation_Details: None

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -122.555180
    East_Bounding_Coordinate: -121.062937
    North_Bounding_Coordinate: 47.789160
    South_Bounding_Coordinate: 47.073002

  3. What does it look like?

    <http://www5.kingcounty.gov/sdc/dataimages/blocknet.jpg> (JPG)
    JPG File of layer overlain on base of WA counties or local cities

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

    Calendar_Date: 01-Jan-1990
    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 (0)

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

      The map projection used is NAD 1983 HARN StatePlane Washington North FIPS 4601 Feet.

      Projection parameters:
      Standard_Parallel: 47.5
      Standard_Parallel: 48.73333333333333
      Longitude_of_Central_Meridian: -120.8333333333333
      Latitude_of_Projection_Origin: 47.0
      False_Easting: 1640416.666666667
      False_Northing: 0.0

      Planar coordinates are encoded using coordinate pair
      Abscissae (x-coordinates) are specified to the nearest 0.00025
      Ordinates (y-coordinates) are specified to the nearest 0.00025
      Planar coordinates are specified in foot_us

      The horizontal datum used is D North American 1983 HARN.
      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?

    PLIBRARY.CENSUS.xxxx242396
    Polygon feature attribute table (Source: ESRI)

    OBJECTID
    Internal feature number. (Source: ESRI)

    Sequential unique whole numbers that are automatically generated.

    STATE_NAME

    ValueDefinition
    53 

    COUNTY

    ValueDefinition
    33 

    FMCD

    ValueDefinition
    90112 
    90928 
    91056 
    91392 
    91728 
    92928 
    93072 
    93392 
    93568 
    93616 

    CENSUS_ID

    FPL

    Range of values
    Minimum:1290
    Maximum:99999
    Resolution:1

    CTBNA

    Range of values
    Minimum:100
    Maximum:33100
    Resolution:1

    SHAPE
    Feature geometry. (Source: ESRI)

    Coordinates defining the features.

    BLK

    SHAPE.area

    SHAPE.len


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?

    King County GIS Center
    Attn: Mike Leathers
    GIS Data Coordinator
    201 S Jackson St, Suite 700
    Seattle, WA 98104
    US

    206-263-4867 (voice)


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?

    Date: 01-Sep-1993 (process 1 of 1)
    This coverage was compiled for KC Transit from 1990 Tigerline files by an outside vendor. Tablular editing was conducted to aid linkage to Summary File data.

  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 observations, including topology?


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:
King County data are made available with the understanding that they shall be used exclusively by the obtainer or his/her authorized agents. Digital products may not be reproduced or redistributed in any form or by any means without the express written authorization of King County.

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

    KCGIS Center
    Attn: Cheryl Wilder
    Data Sales Coordinator
    201 S Jackson St, Suite 700
    Seattle, WA 98104
    US

    206-263-5220 (voice)

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

    /plibrary2/census/shapes/polygon/blocknet.shp

  3. What legal disclaimers am I supposed to read?

    King County disclaims any warranty of use of any digital product or data beyond that for which it was designed.

  4. How can I download or order the data?


Who wrote the metadata?

Dates:
Last modified: 07-Jan-2013
Metadata author:
King County GIS Center
Attn: Mike Leathers
GIS Data Coordinator
201 S Jackson St, Suite 700
Seattle, WA 98104
US

206-263-4867 (voice)
firstname.lastname@kingcounty.gov

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


Generated by mp version 2.9.12 on Sat Apr 06 03:13:03 2019