Metadata for Upper Clark Fork Boundary Monuments from 1:24,000 scale USGS quadrangles, 1989 Metadata for Upper Clark Fork Boundary Monuments from 1:24,000 scale USGS quadrangles, 1989

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Identification Information:

Citation:

Originator: Montana State Library

Publication date: 02/05/1992

Title:

Upper Clark Fork Boundary Monuments from 1:24,000 scale USGS quadrangles, 1989

Publication place: Helena, Montana
Publisher: Montana State Library

Other citation details:

The former name of this data set on the NRIS web site was "ab18"

Online linkage: https://ftpgeoinfo.msl.mt.gov/Data/Spatial/NonMSDI/Collections/Clark_Fork_Superfund/ClarkFork24kMonuments1989.zip

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}

Abstract:

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data were formerly available from the Montana State Library web site but were removed because they are potentially out of date.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.

Boundary Monuments from USGS 1:24,000 scale Digital Line Graphs along the Clark Fork above Missoula, including Butte and Anaconda. The USGS major and minor attribute codes have been replaced with the codes shown below.

Time period of content:

Beginning date: 1961
Ending date: 1989
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

Data Quality Information:

Attribute accuracy report:

Attributes were interpreted from the original DLG files by a computer program.

Attribute accuracy is estimated to be 98.5 percent.

Attribute accuracy was tested by one or more of the following methods:
- manual comparison of the source with hard copy plots.
- symbolized display of the digital line graph on an interactive compter graphic system.
- Selected attributes that could not be visually verified on plots or on screen, were interactively queried and verified on screen.

In addition, U.S. Geological Survey (USGS) Production System (PROSYS) software tested the attributes against a master set of valid attributes for the category; it also checked for selected valid attribute combinations, and for valid attributes relative to topology and dimensionality. All attribute data conform to the attribute codes current as of the date of digitizing.

Completeness report:

For Digital Revision Status = Not revised
Data completeness reflects the content of the source quadrangle. Features may have been eliminated or generalized on the source graphic, due to scale and legibility constraints.

For Digital Revision Status = Limited Update
This file has undergone limited update digital revision. The file contains only (1) those features that are photoidentifiable on monoscopic source, supplemented with limited ancillary source, and (2) those features, present on the original source quadrangle, that can not be reliably photoidentified but that are not considered particularly prone to change.

For Digital Revision Status = Standard Update
This file has undergone standard update digital revision. The data completeness of this file meets National Mapping Division standards for feature content.

Horizontal Positional Accuracy Report:

Approximate accuracy is 12 meters, assuming the source maps meet National Map Accuracy Standards (NMAS). NMAS horizontal accuracy requires that at least 90 percent of points tested are within 0.02 inches of the true position.

The digital data are estimated to contain a horizontal positional error of less than or equal to 0.003 inches standard error in the two component directions relative to the source quadrangle. Comparison to the graphic source is used as control to assess digital positional accuracy.

Cartographic offsets may be present on the graphic source, due to scale and legibility constraints. Digital map elements require edge alignment between data sets. Data along each quadrangle edge are tested against the data set for the adjacent quadrangle using PROSYS; tests check for positional accuracy between data sets within a 0.02 inches tolerance. Features with like dimensionality, and with or without like attribution, that are within the tolerance are adjusted by moving the feature equally in both data sets. Features outside the tolerance are not moved.

Lineage:

Source information:

Originator:: National Mapping Division
U.S. Geological Survey
Publication date: 1989
Title: 1:24,000-scale Digital Line Graphs
Source scale denominator: 24000
Source contribution: The data set is a re-processed copy of this source.
Beginning date: 1961
Ending date: 1989

Source information:

Originator:: National Mapping Division
U.S. Geological Survey
Publication date: 1978
Title: 1:24,000-scale 7.5 minute quadrangles (1964, revised 1978)
Source scale denominator: 24000
Source contribution:: This is the source of the data for the Northeast Missoula, Northwest Missoula, Southeast Missoula, and Southwest Missoula quadrangles.
Beginning date: 1964
Ending date: 1978

Source information:

Originator:: National Mapping Division
U.S. Geological Survey
Publication date: 1965
Title: 1:24,000-scale 7.5 minute quadrangles (1965)
Source scale denominator: 24000
Source contribution:: This is the source of the data in the Blue Point, Clinton, Mineral Ridge, Union Peak, Elevation Mountain, Wild Horse Parks, and Chimney Lakes quadrangles.
Calendar date: 1965

Source information:

Originator:: National Mapping Division
U.S. Geological Survey
Publication date: 1978
Title: 1:24,000-scale 7.5 minute quadrangle (1965, revised 1978)
Source scale denominator: 24000
Source contribution: This is the source of the data in the Bonner quadrangle.
Beginning date: 1965
Ending date: 1978

Source information:

Originator:: National Mapping Division
U.S. Geological Survey
Publication date: 1989
Title: 1:24,000-scale 7.5 minute quadrangles (1989)
Source scale denominator: 24000
Source contribution:: This is the source of the data in the following quadrangles: 46113-66,65,64,63,62,61,51 46112-68,58,57,56,46,36,28,27 46112-26,18,17,16,15 45112-86,85
Calendar date: 1989

Source information:

Originator:: National Mapping Division
U.S. Geological Survey
Publication date: 1976
Title: 1:24,000-scale 7.5 minute quadrangles (1967, inspected 1976)
Source scale denominator: 24000
Source contribution:: This is the source of the data in the Rock Cr Lake, Conleys Lake, Mount Powell, and Racetrack quadrangles. The quads were produced in 1967. In 1976 they were compared to aerial photos and deemed to still be current.
Beginning date: 1967
Ending date: 1976

Source information:

Originator:: National Mapping Division
U.S. Geological Survey
Publication date: 1971
Title: 1:24,000-scale 7.5 minute quadrangles (1971)
Source scale denominator: 24000
Source contribution:: This is the souce of the data in the West Valley and Mount Haggin quadrangles.
Calendar date: 1971

Source information:

Originator:: National Mapping Division
U.S. Geological Survey
Publication date: 1985
Title: 1:24,000-scale 7.5 minute quadrangles (1985)
Source scale denominator: 24000
Source contribution:: This is the source of the data in the Elk Park Pass quadrangle.
Calendar date: 1985

Source information:

Originator:: National Mapping Division
U.S. Geological Survey
Publication date: 1961
Title: 1:24,000-scale 7.5 minute quadrangles (1961)
Source scale denominator: 24000
Source contribution:: This is the source of the data in the Dickie Peak and Burnt Mountain quadrangles.
Calendar date: 1961

Source information:

Originator:: National Mapping Division
U.S. Geological Survey
Publication date: 1978
Title: 1:24,000-scale 7.5 minute quadrangles (1963, revised 1978)
Source scale denominator: 24000
Source contribution: This is the source of the data in the Homestake quadrangle.
Beginning date: 1963
Ending date: 1978

Process step:

Interpret USGS attributes, project quadrangles to Albers projection, and join quadrangles into one data set.


Process date: 02/05/1992

Spatial Data Organization Information:

Point and vector object information:

SDTS object type: Point

SDTS object count: 165

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: BOUNDARY_N.PAT

Entity type definition: Point Attribute Table

Attribute label: CODE

Attribute definition: Code for type of boundary monument

Distribution Information:

Distributor:

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

Resource description: Downloadable Data

Distribution liability:

Metadata Reference Information:

Metadata date: 03/17/2014

Metadata review date: 04/19/2013

Metadata review date: 09/29/2004

Metadata review date: 12/19/1996

Metadata review date: 09/30/1992

Metadata contact:

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