Census 1990 Blocks

Frequently anticipated questions:

• What does this data set describe?
  1. How should this data set be cited?
  2. What geographic area does the data set cover?
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
  5. What is the general form of this data set?
  6. How does the data set represent geographic features?
  7. How does the data set describe geographic features?
• Who produced the data set?
  1. Who are the originators of the data set?
  2. Who also contributed to the data set?
  3. To whom should users address questions about the data?
• 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?
  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 data, including topology?
• How can someone get a copy of the data set?
  1. Are there legal restrictions on access or use of the data?
  2. Who distributes the data?
  3. What's the catalog number I need to order this data set?
  4. What legal disclaimers am I supposed to read?
  5. How can I download or order the data?
• Who wrote the metadata?

What does this data set describe?

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

   Value	Definition
   53

   COUNTY

   Value	Definition
   33

   FMCD

   Value	Definition
   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)
   • King County

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?
   • Availability in digital form:

     Data format:	ESRI Shapefile

   • Cost to order the data:

     Contact KCGIS Client Services for the cost of reproduction - <http://www.kingcounty.gov/operations/GIS/GISData/GISDataDistribution.aspx>

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)