Metadata for Clark Fork Historic Irrigation, 1950s and 1983 Metadata for Clark Fork Historic Irrigation, 1950s and 1983

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Identification Information:

Citation:

Originator: Montana State Library

Publication date: 10/12/1988

Title: Clark Fork Historic Irrigation, 1950s and 1983

Publication place: Helena, Montana
Publisher: Montana State Library

Other citation details:

The former name of this data set on the NRIS web site was "lu2"

Larger Work Citation:

Title:: GIS Layers for Clark Fork Superfund Sites, Montana, 1988-2000
Online linkage: http://mslapps.mt.gov/Geographic_Information/Data/DataList/datalist_Details.aspx?did={33b14155-3366-42a0-b50c-1e21d5224fe0}

Browse graphic file name: http://docs.msl.mt.gov/geoinfo/images/metadata/superfund/ClarkForkIrrigation1960.gif

Abstract:

Areas irrigated with water from the Clark Fork River. Source for historic data was the State Engineer's Office Water Resource Surveys of Deer Lodge County (1955), Powell County (1959), Granite County (1959), and Missoula County (1960). Source for 1983 irrigation was EPA 1983 Aerial Photography. The data were mapped on paper by the CH2M Hill and converted to digital format by the EPA Environmental Monitoring Systems Laboratory-Las Vegas.

These data were formerly available from the Montana State Library web site but were removed because they are potentially out of date. Please contact the Federal Superfund Bureau of the Montana Department of Environmental Quality if you want these data so they may tell you if newer or better data are available. If the data are not available from the Department of Environmental Quality, you may request a copy from the Montana State Library data archive.

Time period of content:

Calendar date: 1955
Calendar date: 1959
Calendar date: 1960
Calendar date: 1983
Currentness reference: Publication Date

Status:

Progress: Complete

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

Data Quality Information:

Lineage:

Source information:

Originator: Montana State Engineer's Office
Publication date: 1960
Title: Montana Water Resources Survey
Online linkage: http://www.dnrc.mt.gov/wrd/water_rts/survey_books
Source scale denominator: 62500
Type of source media: paper
Calendar date: 1955
Calendar date: 1959
Calendar date: 1960

Source information:

Originator:: Environmental Monitoring Systems Laboratory
Lockheed Engineering and Sciences Company
Publication date: 05/15/1987
Title: Clark Fork Historic Irrigation
Other citation details:: 1050 East Flamingo Road
702-798-3154
Source scale denominator: 62500
Type of source media: Blueline (Diazo paper)
Calendar date: 05/15/1987

Spatial Data Organization Information:

Point and vector object information:

SDTS object type: Complete Chain

SDTS object count: 154

SDTS object type: GT-polygon composed of chains

SDTS object count: 104

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

Entity and Attribute Information:

Entity type label: CFR_IRR.PAT

Entity type definition: Polygon Attribute Table

Attribute label: IRR

Attribute definition: Code for Irrigation Type

Distribution Information:

Distributor:

Montana State Library
PO Box 201800
Helena, MT 59620-1800
Telephone: 406-444-5354
E-Mail: geoinfo@mt.gov

Resource description: Offline Data

Distribution liability:

Metadata Reference Information:

Metadata date: 08/30/2014

Metadata review date: 05/26/2010

Metadata review date: 09/29/2004

Metadata review date: 04/10/1992

Metadata contact:

Montana State Library
PO Box 201800
Helena, MT 59620-1800
Telephone: 406-444-5354
E-Mail: geoinfo@mt.gov