In the Contra Costa Times, you can read about:
Alameda County Master Gardeners, through an agreement with the East Bay Regional Park District, are developing a demonstration garden in the Quarry Lakes Regional Recreation Area in Fremont. We also work in cooperation with the Alameda County Water District.
Although the garden originally was conceived to introduce the community to the use of plants that tolerate our dry summers with little or no additional water, our approach necessarily broadened to creating an environmentally sustainable garden.
Can you say compacted soil? Read the whole thing here.