Welcome to the Delta Sierra Science Project Please click on the topics in the left-hand margin to learn more about us and our programs. The Delta Sierra Science Project (DSSP) is a regional project funded by the the California Science Project (CSP), a university-based professional development network for teachers of science at ALL levels. DSSP is a partnership between San Joaquin County Office of Education and University of the Pacific and services the region which includes: Amador, Calaveras, Merced, San Joaquin, Stanislaus, and Tuolumne Counties.