The Bagdad Chase Mine and its Ludlow & Southern RailwayDelmer G. Ross · First published 2009Open the Tome
Rockhounding the Wiley's Well District of CaliforniaDelmer, G. Ross · First published 2006Open the Tome
Development of Railroads in Guatemala and El Salvador, 1849-1929 (Latin American Studies)Delmer G. Ross · First published 2001Open the Tome