1

IDENTIFICATION INFORMATION

1.1
Originator
Metro Data Resource Center
Publication date
19880101
Title
County Lines (poly)
1.2
Abstract
Clackamas, Clark, Multnomah, Washington, Polk, Columbia, Marion and Yamhill county boundaries in Oregon and Clark, Cowlitz, Skamania county boundaries in Washington.
Purpose
For general mapping and analysis.
Supplemental information
File was created using a variety of local and state data sources. File and composition methods were reviewed by local data partners in July, 2010. Note that positional accuracy of the file may vary depending on the available data used.
1.3Time period of content
20140101
1.4
Progress
Complete
Maintenance/update frequency
As needed
1.5

Spatial domain

Description
Clackamas, Multnomah, Washington, Columbia, Yamhill, Marion, Hood River, and Polk counties, Oregon; Clark, Columbia, Skamania, Cowlitz counties Washington
West bounding coordinate
-123.785577699
East bounding coordinate
-121.440498206
North bounding coordinate
46.3880499964
South bounding coordinate
44.6838701483
1.6
Theme keyword thesaurus
None
Theme keyword
County, boundary, county boundary, county boundaries, Multnomah, Washington, Clackamas, Clark, Marion, Columbia, Yamhill, Polk, county lines
Place keyword thesaurus
None
Place keyword
Multnomah County, Washington County, Clackamas County, Clark County, Marion County, Polk County, Yamhill County, Columbia County
1.7Access Constraints
None
1.8Use Constraints
This database and GIS data are made available under the Open Database License (ODbL v1) and Database Content License (DbCL v1). See http://www.oregonmetro.gov/rlis-live.
1.10
Browse graphic file name
co_fill
Browse graphic file description
Each county displayed in a different color with county name annotation.
Browse graphic file type
PNG
1.13
Filename
co_fill.shp
Data Set
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.1850
2

DATA QUALITY INFORMATION

2.4Horizontal positional accuracy
2.5

Lineage

Process Description
County lines were digitized by ODOT as part of their detailed street base. Source was USGS quad sheets. Metro converted the layer to ARC/INFO format.
Process date
1989
Process Description
Registered to the tax lot layer.
Process date
1992
Process Description
Projection information (.prj file), compatible with ArcGIS 8.1, was added to the layer.
Process date
20010715
Process Description
Positinal adjust of the Washington County Boundary to register to their positionally more accurate parcel lines. Edge matched at Clackamas and Multnomah County Boundaries.
Process date
20030116
Process Description
County attribute changed to show county name only. "Co." was removed.
Process date
20060627
Process Description
Changed native SDE storage precision from low to high
Process date
20100122
Process Description
-Extensive boundary edits based on data submitted from local and state agencies
-Added additional counties (Polk, Marion, Columbia, and Yamhill)
-Peer review conducted with local data partners
Process date
20100719
Process Description
County lines following the boundary between the states of Oregon and Washington were updated to precise state boundary line coordinates. The boundary between Oregon and Washington is defined by ORS 186.520 which lists latitude and longitude coordinate stations connected by a series of straight lines along length of the boundary.
Process date
20120423
Process Description
Includes the new Multnomah and Washington County boundary effective Jan 1, 2014. For more information visit the Washington County website http://www.co.washington.or.us/area93.
Process date
20131227
3

SPATIAL DATA ORGANIZATION INFORMATION

3.2Direct spatial reference method
Vector
3.3
SDTS point and vector object type
Polygon, line, annotation
Point and vector object count
11
3.4
Raster object type
NA
Row count
Column count
4

SPATIAL REFERENCE INFORMATION

4.1

Horizontal Coordinate System

Grid coordinate system name
NAD_1983_HARN_StatePlane_Oregon_North_FIPS_3601
SPCS zone identifier
5076
Planar distance units
International foot
Horizontal datum name
D_North_American_1983_HARN
5

ENTITY AND ATTRIBUTE INFORMATION

5.2Overview description
Related data files and field descriptions follow:
Table NameColumnSample Domain ValueDefinition
Co_fill.dbf ----Attributes about each county
County_no--Census jurisdiction code number.
Area--Area in square feet.
County--Name of County.
6

DISTRIBUTION INFORMATION

6.1
Contact organization
Metro Data Resource Center
Address
600 NE Grand Ave.
City
Portland
State or province
OR
Postal code
97232
Contact voice telephone
503 797-1742
Contact facsimile telephone
503 797-1909
Contact electronic mail address
drc@oregonmetro.gov
6.3Distribution liability
The information in this file was derived from digital databases on Metro's GIS. Care was taken in the creation of this file. Metro cannot accept any responsibility for errors, omissions, or positional accuracy. There are no warranties, expressed or implied.
7

METADATA REFERENCE INFORMATION

7.1
Metadata Date
20180627
7.4
Contact person
Christine Rutan
Contact voice telephone
503-797-1669
Contact facsimilie telephone
503-797-1909
Contact electronic mail address
christine.rutan@oregonmetro.gov
7.5Metadata standard name
FGDC Content Standards for Digital Geospatial Metadata
7.6Metadata standard version
FGDC-STD-001-1998