Description: This dataset represents both San Francisco and Los Angeles District navigation channel lines. All San Francisco District channel lines were digitized from CAD files provided by the Hydrosurvey Group, some files were collected from local project folders. Los Angeles District channel lines were derived from polygons of varying quality, not from a consistent or reliable source. This dataset only includes USACE maintained navigation channels. Feature level metadata is available by request.
Copyright Text: US Army Corps of Engineers San Francisco and Los Angeles District, Coastal Structures Program Project Management Plan, Enterprise Coastal Inventory Database, Navigation and Coastal Databank Program