The Arbuckle system’s manhole data has undergone a major accuracy upgrade. Manhole 54B is a good example: the ArcGIS screenshot reveals its true position in the roadway, correcting an 80.30‑foot discrepancy from the old dataset that had misplaced it down the road and off into the vegetation.

Kyle Hobbs

You can see the difference between what they had in 2013 and what we have now. The Arrow Gold+ really narrowed things in. Nothing from previous records compares.