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Name: Don Edwards San Francisco Bay National Wildlife Refuge topographic map, elevation, terrain.
Location: Don Edwards San Francisco Bay National Wildlife Refuge, observation deck, Newark, Alameda County, California, 94560, USA (37.41722 -122.24681 37.58778 -121.94186)
Average elevation: 105 ft
Minimum elevation: -23 ft
Maximum elevation: 2,159 ft