%0 Map %D 2011 %T Contra Costa County 1939 Aerial Photomosaic %A Micha Salomon %A San Francisco Estuary Institute %A County of Contra Costa %K photos %I SFEI %C Oakland, CA %P GIS layer containing orthorectified historical aerial imagery of Contra Costa County from 1939 %8 10/2011 %G eng %U http://oskicat.berkeley.edu/record=b18637538~S1