Census Blocks for the State of Idaho Redistricting 2001 Process

Census Blocks for the State of Idaho Redistricting 2001 Process

Frequently-asked questions:


What does this data set describe?

Title:
Census Blocks for the State of Idaho Redistricting 2001 Process

Abstract:
This data set reflects census blocks boundaries for Idaho  Numerous demographic attributes are included.

  1. How should this data set be cited?

    Idaho Legislative Services Office, 20010601, Census Blocks for the State of Idaho Redistricting 2001 Process: Idaho Legislative Services Office, Boise, ID, USA.

    Online links:
  2. What geographic area does the data set cover?

    Bounding coordinates:
    West: -117.529546
    East: -110.655498
    North: 49.039091
    South: 41.945874

  3. What does it look like?

    http://insideidaho.org/ILSO/image/blocks_id_ilso.gif (GIF)
    Simple image of the data set at full extent

    Thumbnail image:

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

    Calendar date: 2000
    Currentness reference:
    Calendar year

  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):
      • G-polygon (88452)

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

      The map projection used is Transverse Mercator.

      Projection parameters:
      Transverse Mercator
      Scale factor at central meridian: 0.999600
      Longitude of central meridian: -114.000000
      Latitude of projection origin: 42.000000
      False easting: 500000.000000
      False northing: 100000.000000

      Planar coordinates are encoded using coordinate pair.
      Abscissae (x-coordinates) are specified to the nearest 0.000000.
      Ordinates (y-coordinates) are specified to the nearest 0.000000.
      Planar coordinates are specified in meters.

      The horizontal datum used is North American Datum of 1927.
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378206.400000.
      The flattening of the ellipsoid used is 1/294.978698.

  7. How does the data set describe geographic features?

    blocks_id_ilso
    FID
    Internal feature number. (Source: ESRI)
                      

    Sequential unique whole numbers that are automatically generated.

    Shape
    Feature geometry. (Source: ESRI)
                      

    Coordinates defining the features.

    ID
    STFID
    ABDISTRICT
    ABEDGE
    ABBORDER
    ABGROUP
    ABPLYNUM
    ABLOCK
    ABCOLOR
    ABNAME
    SUMLEV
    STUSAB
    STATE
    CD106
    STSENATE
    STHOUSE
    COUNTY
    VTD
    CNTYSUB
    PLACE
    TRACT
    BLKGRP
    BLOCK
    CITYFIPS
    AMINDFIPS
    AIHHTLI
    AKNAFIPS
    MSACMSA
    CMSA
    PMSA
    ZIPCODE3
    ZIPCODE5
    ANPSADPI
    TAPERSONS
    TA1RACE
    TAWHITE
    TABLACK
    TAAMERIND
    TAASIAN
    TAHAWPAC
    TA1OTHER
    TA2MRACE
    TA2RACES
    TAWB
    TAWIN
    TAWA
    TAWNP
    TAWO
    TABIN
    TABA
    TABHP
    TABO
    TAINA
    TAINP
    TAINO
    TAAHO
    TAAO
    TAHPO
    TA3RACES
    TAWBIN
    TAWBA
    TAWBO
    TAWINA
    TAWINHP
    TAWINO
    TAWAHP
    TAWAO
    TAWHPO
    TABINA
    TABINHP
    TABINO
    TABAHP
    TABAO
    TAINAHP
    TAINAO
    TAINHPO
    TAAHPO
    TA4RACES
    TAWBINA
    TAWBINHP
    TAWBINO
    TAWBAHP
    TAWBAO
    TAWBHPO
    TAWINAHP
    TAWINAO
    TAWINHPO
    TAWAHPO
    TABINAHP
    TABINAO
    TA5RACES
    TAWBINAHP
    TAWBINAO
    TNTOTAL
    TNHISPANIC
    TNNONHISP
    TN1RACE
    TNWHITE
    TNBLACK
    TNAMINAKN
    TNASIAN
    TNHAWOP
    TNOTHER
    TN2MRACE
    TN2RACES
    TNWB
    TNWIN
    TNWA
    TNWHP
    TNWO
    TNBIN
    TNBA
    TNBHP
    TNBO
    TNINA
    TNINHP
    TNINO
    TNAHP
    TNAO
    TNHPO
    TN3RACES
    TNWBIN
    TNWBA
    TNWBO
    TNWINA
    TNWINHP
    TNWINO
    TNWAHP
    TNWAO
    TNWHPO
    TNBINA
    TNBINHP
    TNBINO
    TNBAHP
    TNBAO
    TNINAHO
    TNINAO
    TNAHPO
    TN4RACES
    TNWBINA
    TNWBINHP
    TNWBINO
    TNWBAHP
    TNWBAO
    TNWINAHP
    TNWINAO
    TNWAHPO
    TNBINAHP
    TNBINAO
    TNBAHPO
    TN5RACES
    TNWBINAHP
    TNWBINAO
    VAPERSONS
    VA1RACE
    VAWHITE
    VABLACK
    VAAMERIND
    VAASIAN
    VAHAWPAC
    VA1OTHER
    VA2MRACE
    VA2RACES
    VAWB
    VAWIN
    VAWA
    VAWNP
    VAWO
    VABIN
    VABA
    VABHP
    VABO
    VAINA
    VAINP
    VAINO
    VAAHO
    VAAO
    VAHPO
    VA3RACES
    VAWBIN
    VAWBA
    VAWBO
    VAWINA
    VAWINHP
    VAWINO
    VAWAHP
    VAWAO
    VAWHPO
    VABINA
    VABINHP
    VABINO
    VABAHP
    VABAO
    VAINAHP
    VAINAO
    VAINHPO
    VAAHPO
    VA4RACES
    VAWBINA
    VAWBINHP
    VAWBINO
    VAWBAHP
    VAWBHPO
    VAWINAHP
    VAWINAO
    VAWAHPO
    VABINAHP
    VABINAO
    VA5RACES
    VAWBINAHP
    VNTOTAL
    VNHISPANIC
    VNNONHISP
    VN1RACE
    VNWHITE
    VNBLACK
    VNAMINAKN
    VNASIAN
    VNHAWOP
    VNOTHER
    VN2MRACE
    VN2RACES
    VNWB
    VNWIN
    VNWA
    VNWHP
    VNWO
    VNBIN
    VNBA
    VNBHP
    VNBO
    VNINA
    VNINHP
    VNINO
    VNAHP
    VNAO
    VNHPO
    VN3RACES
    VNWBIN
    VNWBA
    VNWBO
    VNWINA
    VNWINHP
    VNWINO
    VNWAHP
    VNWAO
    VNWHPO
    VNBINA
    VNBINHP
    VNBINO
    VNBAHP
    VNBAO
    VNINAHO
    VNINAO
    VNAHPO
    VN4RACES
    VNWBINA
    VNWBINO
    VNWBAHP
    VNWINAHP
    VNWINAO
    VNWAHPO
    VNBINAHP
    VNBINAO
    VN5RACES
    VNWBINAHP
    VNWBINAHPO
    PRES_R_00
    PRES_D_00
    PRES_O_00
    FST_R_00
    FST_D_00
    FST_O_00
    SND_R_00
    SND_D_00
    SND_O_00
    BALLOTS_00
    VOTES_00
    SEN_R_98
    SEN_D_98
    SEN_O_98
    FST_R_98
    FST_D_98
    SND_R_98
    SND_D_98
    SND_O_98
    GOV_R_98
    GOV_D_98
    GOV_O_98
    PRES_R_96
    PRES_D_96
    PRES_O_96
    SEN_R_96
    SEN_D_96
    SEN_O_96
    FST_R_96
    FST_D_96
    FST_O_96
    SND_R_96
    SND_D_96
    SND_O_96
    FST_R_94
    FST_D_94
    SND_R_94
    SND_D_94
    GOV_R_94
    GOV_D_94
    GOV_O_94
    AUD_R_94
    AUD_D_94
    Entity and attribute overview:
    Census block boundaries are depicted as polygons with numerous attributes.
    
    A data dictionary (provided by Spatial Dynamics) containing attribute definitions can be found at:
    http://data.insideidaho.org/data/ILSO/metadata/DataDictionary17May.pdf

    Entity and attribute detail citation:
    None
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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)

    • Idaho Legislative Services Office

  2. Who also contributed to the data set?

    Idaho Legislative Services Office

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

    Ross Borden
    Idaho Legislative Services Office
    Principal Budget Policy Analyst
    Budget & Policy Analysis
    Room 334, State Capitol
    
    Boise, ID 83720-0054
    USA

    (208) 334-4745 (voice)
    (208) 334-2668 (FAX)
    rborden@lso.state.id.us
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Why was the data set created?

The primary use of the data set is for Idaho's 2001 Redistricting Process. This data set was compiled by Spatial Dynamics at the direction of the Idaho Legislative Services Office for use as the State's census block Redistricting 2001 data set. No responsibility is assumed by the Idaho Legislative Services Office in the use of these data.

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How was the data set created?

  1. Where did the data come from?

    TIGER00 (source 1 of 1)

    U.S. Department of Commerce Bureau of the Census Geography Division , 2001, TIGER/Line Files, Redistricing Census 2000: TIGER/Line FilesVersion (MMYY) represents the month and year file created, U.S. Department of Commerce Bureau of the Census Geography Division , Washington, DC.

    Type of source media: CD-ROM
    Source scale denominator: 100000
    Source contribution:
    County Boundary 2000 TIGER/Line files from the U.S. Census Bureau in Geographic Projection--Decimal Degrees, NAD83.  A CD containing the TIGER/Line files was provided to Spatial Dynamic by the Idaho Legislative Services Office.  Additionally, the P.L. 94-171 data were provided in the same manner.

  2. What changes have been made?

    Date: Unknown (change 1 of 2)
    Data were processed by Spatial Dynamics

    Person responsible for change:
    Kim Johnson
    Spatial Dynamics
    910 Main St. Suite 200
    Boise, Idaho 83702
    USA

    208-345-6766 (voice)
    208-345-6766 (FAX)
    kim@spatialdynamics.com

    Data sources used in this process:
    • TIGER00

    Date: 20010523 (change 2 of 2)
    The files listed below were copied off of the computer provided to the University of Idaho Library by the Idaho Legislative Services Office for the Redistricting 2001 process (the files were from the update disc received on May 21, 2001).  The files were then archived using tar & gzip compression.  Lastly, the archived file was copied to the INSIDE Idaho server.
    
    C:\LSO_A\AB_MASTER\Statewide\blocks.aih
    C:\LSO_A\AB_MASTER\Statewide\blocks.ain
    C:\LSO_A\AB_MASTER\Statewide\blocks.avl
    C:\LSO_A\AB_MASTER\Statewide\blocks.dbf
    C:\LSO_A\AB_MASTER\Statewide\blocks.mdx
    C:\LSO_A\AB_MASTER\Statewide\blocks.sbn
    C:\LSO_A\AB_MASTER\Statewide\blocks.sbx
    C:\LSO_A\AB_MASTER\Statewide\blocks.shp
    C:\LSO_A\AB_MASTER\Statewide\blocks.shx
    
    This metadata record was created by INSIDE Idaho staff. Elements were populated with information to the best of their knowledge.

    Person responsible for change:
    Bruce Godfrey
    University of Idaho Library
    GIS Specialist
    Box 442350
    Moscow, ID 83844-2350
    USA

    208-885-6463 (voice)
    208-885-6817 (FAX)
    bgodfrey@uidaho.edu

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

  1. How well have the observations been checked?

    Contact Spatail Dynamics for accuracy surrounding the voting history data

  2. How accurate are the geographic locations?

    No report

  3. How accurate are the heights or depths?

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

    No report

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

    No report

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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: None
Use constraints:
None

Distributor 1 of 1

  1. Who distributes the data set?

    Bruce Godfrey
    University of Idaho Library
    GIS Specialist
    Box 442350
    Moscow, ID 83844-2350
    USA

    208-885-6463 (voice)
    bgodfrey@uidaho.edu

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

    Downloadable Data

  3. What legal disclaimers am I supposed to read?

    Although these data have been processed successfully on a computer system at the Idaho Legislative Service Office, no warranty, expressed or implied, is made regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty.

  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: 20090909

Metadata author:
Bruce Godfrey
University of Idaho Library
GIS Specialist
Box 442350
Moscow, ID 83844-2350
USA

208.292.1407 (voice)
bgodfrey@uidaho.edu

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

Metadata extensions used:
  • http://www.esri.com/metadata/esriprof80.html

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