Metadata for Montana Counties from 1990 TIGER Files Metadata for Montana Counties from 1990 TIGER Files
Identification Information:
Citation:
Originator: Montana State Library
Publication date: 11/04/1992
Title: Montana Counties from 1990 TIGER Files
Publication place: Helena, Montana
Publisher: Montana State Library
Other citation details:
The former name of this data set on the NRIS web site was "ab30"
Larger Work Citation:
Title: Montana County Boundaries
Online linkage: http://mslapps.mt.gov/Geographic_Information/Data/DataList/datalist_Details.aspx?did={B3682ED8-1D68-41F8-BAE6-14149C527EE4}

Abstract:
Montana Counties, from U.S. Census Bureau 1:100,000 scale 1990 TIGER files. This layer shows Yellowstone National Park as being a separate entity. The park was added to Park and Gallatin counties in 1978, but the Census Bureau did not recognize this until 1997.

Time period of content:
Calendar date: 1990
Currentness reference: Publication Date
Access constraints: None
Use constraints:
The Montana State Library provides this product/service for informational purposes only. The Library did not produce it for, nor is it suitable for legal, engineering, or surveying purposes. Consumers of this information should review or consult the primary data and information sources to ascertain the viability of the information for their purposes. The Library provides these data in good faith but does not represent or warrant its accuracy, adequacy, or completeness. In no event shall the Library be liable for any incorrect results or analysis; any direct, indirect, special, or consequential damages to any party; or any lost profits arising out of or in connection with the use or the inability to use the data or the services provided. The Library makes these data and services available as a convenience to the public, and for no other purpose. The Library reserves the right to change or revise published data and/or services at any time.
Point of contact:
Montana State Library
PO Box 201800
Helena, MT 59620-1800


Telephone: 406-444-5354
TDD/TTY telephone: Montana Relay 711
Fax: 406-444-0266
E-Mail: geoinfo@mt.gov


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Data Quality Information:
Horizontal Positional Accuracy Report:
The approximate horizontal accuracy of 1:100,000 scale data is 50 meters.

Lineage:
Source information:
Originator: U.S. Census Bureau
Publication date: 1990
Title: 1990 TIGER/Line Files
Source scale denominator: 100000
Type of source media: 9-track magnetic tape
Source contribution: The data were selected from this source.
Calendar date: 1990

Process step:
Convert 57 TIGER files to Arc/Info coverage format. Select county lines from TIGER layers and merge into a single dataset.
Process date: 10/12/1991
Process contact:
GeoResearch, Inc.
115 N Broadway
Billings, MT 59101


Telephone: 406-248-6771


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Spatial Reference Information:
Horizontal coordinate system definition:
Grid coordinate system name: State Plane Coordinate System 1983
SPCS zone identifier: 2500
Lambert conformal conic:
Standard parallel: 45
Standard parallel: 49
Longitude of central meridian: -109.5
Latitude of projection origin: 44.25
False easting: 600000.00000
False northing: 0.00000
Planar distance units: meters
Geodetic model:
Horizontal datum name: North American Datum of 1983
Ellipsoid name: Geodetic Reference System 80
Semi-major axis: 6378137
Denominator of flattening ratio: 298.257
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Entity and Attribute Information:
Entity type label: Counties1990
Entity type definition: Polygon feature class

Attribute label: FID
Attribute definition: Shapefile sequence number

Attribute label: Shape
Attribute definition: Feature coordinates

Attribute label: AREA
Attribute definition: Area of the county in square meters

Attribute label: PERIMETER
Attribute definition: Length of the county perimeter in meters

Attribute label: AB30_
Attribute definition:
Database record ID from original ESRI coverage version of the data

Attribute label: AB30_ID
Attribute definition:
Database user ID from original ESRI coverage version of the data

Attribute label: NAME
Attribute definition: Name of county, all capital letters

Attribute label: FIPS
Attribute definition:
Last two or three digits of the Federal Information Processing Standard code for the county. To uniquely identify a county in the United States, 30000 should be added to this number.

Attribute label: ACRES
Attribute definition: Area of the county in acres

Attribute label: SQMILES
Attribute definition: Area of the county in square miles

Attribute label: COVNAME
Attribute definition:
County name, in all caps, shortened to 8 or fewer characters to accomodate old ESRI coverage dataset naming restrictions.

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Distribution Information:
Distributor:
Montana State Library
PO Box 201800
Helena, MT 59620-1800


Telephone: 406-444-5354
TDD/TTY telephone: Montana Relay 711
Fax: 406-444-0266
E-Mail: geoinfo@mt.gov


Resource description: Offline Data


Distribution liability:
The Montana State Library provides this product/service for informational purposes only. The Library did not produce it for, nor is it suitable for legal, engineering, or surveying purposes. Consumers of this information should review or consult the primary data and information sources to ascertain the viability of the information for their purposes. The Library provides these data in good faith but does not represent or warrant its accuracy, adequacy, or completeness. In no event shall the Library be liable for any incorrect results or analysis; any direct, indirect, special, or consequential damages to any party; or any lost profits arising out of or in connection with the use or the inability to use the data or the services provided. The Library makes these data and services available as a convenience to the public, and for no other purpose. The Library reserves the right to change or revise published data and/or services at any time.
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Metadata Reference Information:
Metadata date: 11/10/2014
Metadata review date: 09/29/2004
Metadata review date: 10/10/1996
Metadata review date: 05/03/1993
Metadata contact:
Montana State Library
PO Box 201800
Helena, MT 59620-1800


Telephone: 406-444-5354
TDD/TTY telephone: Montana Relay 711
Fax: 406-444-0266
E-Mail: geoinfo@mt.gov


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