Metadata for Montana County Boundaries, 2015 Metadata for Montana County Boundaries, 2015

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Identification Information:

Citation:

Originator: Montana State Library

Publication date: 09/01/2015

Title: Montana County Boundaries, 2015

Publication place: Helena, Montana
Publisher: Montana State Library

Online linkage: https://ftpgeoinfo.msl.mt.gov/Data/Spatial/MSDI/AdministrativeBoundaries/Historic/

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:

These data are from the Montana County Boundary geodatabase that was available on the Montana State Library web site at the end of 2015.

The data were created to be coincident with the Montana Cadastral Parcel Boundaries. Where county boundaries are coincident with public land survey section lines, they were copied from the Montana CadNSDI Public Land Survey System database. If boundaries were not coincident with CadNSDI lines, they were digitized on screen from 1:24,000 scale Geological Survey Digital Raster Graphics (DRGs). County Boundaries will change as the CadNSDI is adjusted. These data were adjusted to the newest CadNSDI on September 1, 2014.

The archived geodatabase contains two feature classes. The County feature class contains the county polygons with attribute information about the counties. The CountyLine layer contains the county boundaries with attribute information about the source of the boundary.

Time period of content:

Calendar date: 09/01/2015
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
P.O. Box 201800
Helena, Montana 59620-1800
Telephone: 406-444-5354
TDD/TTY telephone: Montana Relay 711
Fax: 406-444-0266
E-Mail: geoinfo@mt.gov

Data set credit:

US Bureau of Land Management, Geographic Coordinate Database, US Geological Survey 1:24,000 Digital Raster Graphics

Data Quality Information:

Lineage:

Source information:

Originator: Montana State Library
Title: CadNSDI Public Land Survey System Database
Online linkage: https://ftpgeoinfo.msl.mt.gov/Data/Spatial/MSDI/Cadastral/PLSS
Source contribution:: This is the source of all county lines that follow Public Land Survey lines. The CadNSDI data were derived from the BLM Geographic Coordinate Database (GCDB) and the county lines were originally selected from the GCDB. The CadNSDI is a successor to the GCDB and is now the source for adjustments to data that follow Public Land Survey lines.

Source information:

Originator: U.S. Geological Survey
Title: 1:24,000 scale Digital Raster Graphics
Source contribution:: County lines that do not follow Public Land Survey lines were screen-digitized from these images.

Process step:

County boundaries coincident with PLSS lines were copied from GCDB data downloaded from the Montana State BLM Office. The boundaries that are not coincident with PLSS, rivers and other topographic features, were on screen digitized from USGS 1:24,000 scale Digital Raster Graphics. Discrepencies were researched when encountered, however this is not meant to represent a legal survey of Montana county boundaries


Process date: 2003

Process step:

County boundaries based on Public Land Survey System lines that have been adjusted in the CadNSDI database were adjusted to be coincident with those lines.


Process date: 09/01/2014

Entity and Attribute Information:

Entity type label: County2015

Attribute label: OBJECTID

Attribute definition: Database sequence number

Attribute label: SHAPE

Attribute definition: Feature coordinates

Attribute label: NAME

Attribute definition: County name. These values are in all capital letters

Attribute label: NAMEABBR

Attribute definition: Two-letter county name abbreviation

Attribute label: COUNTYNUMBER

Attribute definition: County license plate ID number

Attribute label: PKEY

Attribute definition:: Montana Framework unique identifier. This is the concatenation of the layer steward's id, the framework layer abbreviation, and the COUNTYNUMBER value.

Attribute label: SQMILES

Attribute definition: Area of the county in square miles

Attribute label: PERIMETER

Attribute definition: Length of the county perimeter in miles

Attribute label: ACRES

Attribute definition: Area of the county in acres

Attribute label: ALLFIPS

Attribute definition:: Federal Information Processing Standard State/County code. This uniquely identifies a county in the United States and consists of Montana's state code of 30 followed by the three-digit county FIPS code.

Attribute label: FIPS

Attribute definition:: Federal Information Processing Standard three-digit code number of the county. The numbers are odd numbers assigned in ascendinng order with the counties sorted alphabetically by name.

Attribute label: ORIG_FID

Attribute definition:: Database sequence ID preserved from an earlier version of the data

Attribute label: LAST_UPDATE

Attribute label: GLOBALID

Attribute label: SHAPE_Length

Attribute definition: Length of the feature perimeter in meters

Attribute label: SHAPE_Area

Attribute definition: Area of the feature in square meters

Entity type label: CountyLines2015

Attribute label: OBJECTID

Attribute definition: Database sequence number

Attribute label: SHAPE

Attribute definition: Feature coordinates

Attribute label: NAME

Attribute definition:: Name of county. Every boundary appears in the dataset twice, once for the county on either side of it.

Attribute label: BMIDTYPE

Attribute definition: data source for the line

Attribute label: MILES

Attribute definition: Length of the feature in miles

Attribute label: Shape_Length

Attribute definition: Length of the feature in meters

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: Downloadable data

Distribution liability:

Metadata Reference Information:

Metadata date: 06/10/2016

Metadata contact:

Montana State Library
P.O. Box 201800
Helena, Montana 59620-1800
Telephone: 406-444-5354
TDD/TTY telephone: Montana Relay 711
Fax: 406-444-0266
E-Mail: geoinfo@mt.gov