Keywords: OHMap-doton-Alvada.png Locator map of the unincorporated area unincorporated community of Alvada Ohio Alvada in Seneca County Ohio Seneca County Ohio United States Modified from http //www2 census gov/geo/maps/general_ref/cousub_outline/cen2k_pgsz/oh_cosub pdf this United States Census Bureau file 2007-10-02 User Nyttend US Government work is public domain and my work is Big Spring Township Seneca County Ohio Locator maps of unincorporated communities in Ohio Maps of Seneca County Ohio Maps by User Nyttend |