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GPS/GIS
Initiated in the early 1980s, Geographic Information Systems
(GIS) are used by a rapidly growing, diverse group of individuals and agencies
for a wide range of public and private applications.
Vanderburgh County Surveyor’s GIS Web Site
The county surveyor’s GIS Web site facilitates retrieval of
detailed, multilayered, current digital maps that include the following:
- GPS
Points
- Section
Line Grid
- Year
2000 Spot Elevations
- Year
2000 topography and aerial photography
- City,
County, Darmstadt, and Indiana/Kentucky Boundaries
- Subdivision
Boundaries
- Parcel
Boundaries
- Street
Names and Centerlines
- 1981
- 1991 Flood Zone A Boundaries
- 1981
- 1991 Flood Zone B Boundaries
- Vanderburgh
County Regulated Drains
- USGS
14-digit Hydrologic Unit Codes
Perpetuated Section Corner Locations
The Vanderburgh County Surveyor’s electronic records also
include perpetuated section corner locations shown with state plane coordinates,
National Geodetic Vertical Datum (NGVD) elevations, State Plane coordinates, and reference ties. If the user
experiences difficulty viewing or using tabular data, call Doug McDonald, P.E.,
L.S., at 812-435-5641.
Subdivision
Plats
The Vanderburgh County Surveyor’s electronic records also
include perpetuated section corner locations shown with state plane coordinates,
National Geodetic Vertical Datum (NGVD) elevations, State Plane coordinates, and reference ties. If the user
experiences difficulty viewing or using tabular data, call Doug McDonald, P.E.,
L.S., at 812-435-5641.full-size
scans of subdivision plats. To date not all plats are scanned. The scanning
process is time-consuming and more scans are being added as time allows. Click
here to be taken to more information about the scans and the directories
containing the scans.
Email Site for Reporting
Errors, Omissions, or Problems
The Vanderburgh County Surveyor's office strives to obtain
and enter new, accurate data to the constantly growing database. Users may
bring errors and omissions to the attention of the county surveyor’s office at
the email link or by telephone.
Other County GIS Web Sites
Vanderburgh County maintains several GIS Web sites
providing digital data useful to landowners, surveyors, engineers,
cartographers, real estate developers, floodplain investigators, and persons of
varied interests.
Indiana High Accuracy Reference Network (HARN)
The HARN network is critical to the spatial development of
Indiana. HARN comprises 148 stations statewide, with at least one station in
each county. HARN stations are permanent, high-order survey monuments. National
Geodetic Survey (NGS) specifies:
- A-order
stations with a relative baseline accuracy of 5 mm + 1:10,000,000
- B-order
stations with a relative baseline accuracy of 8 mm + 1:10,000,000
Two A-order stations are located at the Indianapolis
airport, and one is positioned in Bloomington. Vanderburgh County enjoys six B-order HARN
stations, the highest number available in Indiana counties, which helps land
surveyors to establish high-order accuracy.
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