It was created to preserve wildlife habitats and California chaparral and woodlands native plant communities , and Native American rock art .
Vasco Caves Regional Preserve is located on the eastern slope of Mount Diablo , on Vasco Road within eastern Contra Costa County , California .
Vasco Caves Regional Preserve was created to preserve wildlife habitats and California chaparral and woodlands native plant communities , and Native American rock art .
Vasco Caves Regional Preserve is located on the eastern slope of Mount Diablo , on Vasco Road within eastern Contra Costa County , California .