Transverse Ranges and Selected Peninsular Ranges

The Transverse Ranges and Selected Peninsular Ranges Province consist of the following basins or study areas in order from west to east:

• Santa Barbara Basin
• Santa Clara River Basin
• San Gabriel Mountains
• San Gabriel / San Fernando Basins
• Southern Coastal Plain Basin
• Santa Ana Basin
• Big Bear Basin

Additional information and web page link could be obtained by clicking on a study area or subbasin study area.