Keywords: world's columbian exposition worldscolumbianexposition world's fair worldsfair 1893 chicago illinois world's worlds fair white city whitecity "Mines and Mining." From Columbian Gallery: A Portfolio of Photographs of the World's Fair, The Werner Company. 1893. Digitial Identifier: GN90799d_CG_010w World's Columbian Exposition Collection at The Field Museum "Mines and Mining." From Columbian Gallery: A Portfolio of Photographs of the World's Fair, The Werner Company. 1893. Digitial Identifier: GN90799d_CG_010w World's Columbian Exposition Collection at The Field Museum |