evaporation pond used in the production of salt in sunnyvale, south san francisco bay area, california; salt-tolerant micro-algae

algae america area artificial bacteria bay baylands brine california colorful colors creek crystals drying eco evaporation francisco historical industrial industry lake landscape marsh microorganisms ocean pans pink pond preservation process production red restoration salinity salt salterns san scenery scenic sea shallow shore shoreline states still surface united usa vibrant view water wetlands