OPUS: Online Positioning User Service

View shared solutions.


Retrieve via


Your Search radius, County or ZIP code
Mark Designation or PID
Observer  Date or Agency
browse map
see also OPUS api

Retrieve Solutions via County: use CTRL click to select multiple counties




Select a Solution Format: HTML XML Shapefile JSON

Retrieve Solutions via ZIP Code:


* ZIP code, 5-digits (lookup)


Select a Solution Format: HTML XML Shapefile JSON


Retrieve Solutions via Agency:



Select a Solution Format: HTML XML Shapefile JSON


Retrieve Solutions via Search Radius:

Hint: Select smaller range for radius options for quick results


surrounding central hub coordinates:
lat-lon format
  * Hub Latitude
* Hub Longitude


Select a Solution Format: HTML XML Shapefile JSON

Retrieve Solutions by Designation:


* Name ( Hint: enter a few characters from the beginning, middle, or end of the mark name)


Select a Solution Format: HTML XML Shapefile JSON

Retrieve Solutions via Permanent IDs (PID) :


* PID


Select a Solution Format: HTML XML Shapefile JSON

Retrieve Solutions via Load Date:

* from date (MMDDYY)
* to    date (MMDDYY)


Select a Solution Format: HTML XML Shapefile JSON


Add your marks -- Share Your OPUS Solutions.