|Agency||City of Portland|
|Date Released||November 14, 2013|
|Date Updated||May 1, 2014|
ArcGis Layer data for the City of Portland Benchmarks. All elevations are in COP datum. Locations are in NAD83/91, and are approximate. This data is updated regularly, so it should be re-downloaded on a regular basis (every 6mos-1yr).
|Agency Program||City of Portland / Transportation|
|Technical Documentation||Benchmarks (metadata)|