City of Salem, OregonThis map represents City of Salem, Oregon, Survey Benchmarks. The Survey Section of the Public Works Department establishes and maintains horizontal and vertical survey control throughout the City for most public and private projects. Vertical datum is NGVD 1929-47. Horizontal datum is NAD 1983-91. The map references detailed GIS data provided by the City of Salem Public Works Department. Contact the City of Salem City Surveyor (503-588-6211) for questions and the most up-to-date information, or gis@cityofsalem.net.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/91b3258911c2466d81337d8b62c98119_0engData SalemPublicSurveyControl [Oregon--Salem]Web servicesOregon--SalemOregonLast Modified: 2021-01-08