%0 Map %D 2011 %T East Contra Costa Historical Ecology Study GIS data %A Ruth A. Askevold %A Alison Whipple %A Robin M. Grossinger %A Stanford, B. %A Salomon, M .N. %P GIS data produced for the East Contra Costa County Historical Ecology Study. %G eng %U http://www.sfei.org/HEEastContraCosta