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DOUGLAS COUNTY GEOGRAPHIC
INFORMATION
WEBSITE (GIS)
THIS PAGE IS UNDER
CONSTRUCTION
For Survey File Formats and
Examples Click
Here
Index
directory for Horizontal and Vertical Control Click
Here
200FT_Contours: Contours Reflect the elevation of areas within the County. The contours map
layer is based on the United States Geological Survey (USGS) 7.5 minute Digital Elevation
Model (10 meter resolution). Contour information is approximate and should not be used to
determine the exact elevation of individual properties.
200ft_ContourLabels: The elevation
in feet of the 200FT_Contours.
Parcels: Parcel Boundaries - Taxlots are the divisions of land utilized by the
County's Department of Assessment & Taxation for taxing purposes. The taxlots typically reflect
individual property or ownership boundaries that have been determined through the recording of
subdivisions, minor land partitions, and documents altering property boundaries or conveying
ownership. The taxlots map layer is updated on a continuous basis with efforts made to keep it
current as possible. Each taxlot is associated with a taxlot number (i.e. 270615BB00100). Taxlots are used
for assessment purposes only and are not reflective of a property's legal right to be developed.
Assessor_Maps: Visual indexes to taxlots in Douglas County
DLC: Donation land claims resulted from an act of the 1850 Congress under which citizens of
the United States, or those who filed a declaration of intention prior to December 1, 1850 and
had resided upon or cultivated the land for four consecutive years, were granted a specified
amount of acreage in the Oregon Territory.
Township: A division of land by Township-Range approx 6 mile square.
Section: Subdivision of a township-range into 36 sections approx 1 mile square.
Situs: Physical Address
Roads: Centerlines, of a combination of
State, County and City roads.
City-District: City Limits Boundary
UGB: Urban Growth Boundary
Highways: General Highways of Douglas County
Road County Jurisdiction: Douglas County maintained roads
Reservoir: Reservoirs in Douglas County
Water: Bodies of water
County: Douglas County Boundaries
Aerials_2004:
NAD83_Horizontal: Control points in Douglas County that have NAD83 horizontal positions
derived by various methods (ex. conventional, GPS, etc)
NAD27_Horizontal: Control points in Douglas County that have NAD27 horizontal positions
derived by various methods (ex. conventional, GPS, etc)
NGVD29_Vertical: Control points in Douglas County that have NGVD29 elevations.
NGS_NAVD88_Vertical: Vertical control points from the NGS website that have
published NAVD88 elevations. Metadata is provided on the datasheet for each point.
NGS_GPS: Horizontal positions for GPS control points from the NGS website. Metadata is
provided on the datasheet for each point.
Contract_PLSS_2005: GPS points in Douglas County with a reliability factor of 1 foot.
Published in Nad83, international feet.
Resource_PLSS: Points collected with hand held gps rated for 3 to 5 meter accuracy.
Resource_Subdivision: Points collected with hand held gps rated for 3 to 5 meter accuracy.
Control_All: Vertical and horizontal control points in Douglas County.
PLSS_NAD27:
PLSS_Corner_Renewal
Section_Center : Latitude and Longitude, Nad27, survey ft. for the center of each section in
Douglas County.
Section_Center_Labels: Township-Range-Section of each section center.
Soil_ASR: Douglas County Assessors soils class file.
Soil_ASR_Labels: Labels for the soils layer.
Homestead: A metes and bounds description of lands entered under the United States land laws
for the purpose of acquiring title to a portion of the public domain under the homested laws.
Tract: A parcel of land that lies in more than one section or that cannot be identified completely
as part of a particular section.
Mining_Claim: A parcel of land probably containing valuable mineral in its soil or rock, and
appropriated by an individual according to established rules by the process of location.
Quarter: Lines to identify approximate one quarter section lines.
Sixteenth: Lines to identify approximate sixteenth section lines.
Gov_Lot: A government lot is a subdivision of a section which is not described as an aliquot part
of the section, but which is designated by number e.g., LOT 2. A lot may be regular or irregular
in shape and its acreage varies from that of regular subdivisions.
Meander: A line of the approximate mean
high water of a permanent natural body of water.
Vegetation: A line of the approximate vegetation line.
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