Description: Headquarters, Division of Transportation Planning, Climate Change Branch obtained elevation data from the Office of Pavement Management & Performance (OPM&P) for their Climate Change Vulnerability Assessments.The Elevation data was collected using the Automated Pavement Condition Survey (APCS) which uses a customized vehicle fitted with sensing equipment, traveling on the roadway at or near highway speeds, to collect pavement condition data as well as other useful information such as elevation, longitude, latitude, and etc.
Description: The boundaries of the 9 California Regional Water Quality Control Boards are derived from watershed boundaries in the The California Watershed Map (CALWATER version 2.2). Calwater 2.2 is a set of standardized watershed boundaries meeting standardized delineation criteria.
Service Item Id: ad73f4cd693745518283d90257bf72a8
Copyright Text: California State Water Resource Control Board, Tierra Data Systems
Description: The DISTRICT feature class is a polygon coverage representing the California Department of Transportation (Caltrans) district boundaries. There are 12 Caltrans Districts in California.