Figure 1From: Arsenic species in weathering mine tailings and biogenic solids at the Lava Cap Mine Superfund Site, Nevada City, CAMap of Lava Cap-Lost Lake study area, Nevada County, CA, with sampling locations indicated by black circles. Base modified from U.S.Geological Survey 7.5-minute series Chicago Park quadrangle, 1979. See text for detailed site descriptions.Back to article page