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The Passage Assessment Database (PAD) geospatial file contains locations of known and potential barriers to salmonid migration in California streams with additional information about each record. The PAD is an ongoing map-based inventory of known and potential barriers to anadromous fish in California, compiled and maintained through a cooperative interagency agreement. The PAD compiles currently available fish passage information from many different sources, allows past and future barrier assessments to be standardized and stored in one place, and enables the analysis of cumulative effects of passage barriers in the context of overall watershed health. The database is set up to capture basic information about each...


    map background search result map search result map California Fish Passage Assessment Database [ds69] Roads owned and maintained by the U.S. Fish and Wildlife Service, Cycle 4 Parking Areas, Tule Lake NWR California Fish Passage Assessment Database [ds69] Parking Areas, Tule Lake NWR Roads owned and maintained by the U.S. Fish and Wildlife Service, Cycle 4