U.S. Fish & Wildlife ServiceThis layer provides locations of c all count stations for Ridgway's rail surveys on San Pablo Bay National Wildlife Refuge. This information is to be used by U.S. Fish and Wildlife Service staff and approved partners only. The locations shown are highly sensitive habitat and closed to the public for those reasons. This file is not editable. Contact sfbaynwrc@fws.gov for more information. For more information see the project's Site-specific Protocol for Monitoring Marsh BirdsArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/491a34a783fa412faa87b5a2358a8d70_0engU.S. Fish and Wildlife Service Open DataPublicSan Pablo Bay NWR Ridgway's Rail Call Count Stations [United States]Web servicesUnited StatesLast Modified: 2026-01-08