Data downloaded from the Endangered Species Recovery Program data website:  http://esrp.csustan.edu/gis/

Purpose:To prepare illustrations and data for publications related to changes in the San Joaquin Valley over time

Supplemental_Information:Future edits will focus on enhancing the spatial boundaries of historical natural communities and the addition of additional time frames where possible.

Permission is granted to use the data for any personal or academic purposes as long as notification of use is sent to sphillips@esrp.csustan.edu and derived products are clearly credited with Scott Phillips, CSU Stanislaus, ESRP. For commercial use, contact CSU Stanislaus, ESRP: info@esrp.csustan.edu.