Keywords: aerial views aerialviews coal industrial productivity industrialproductivity ohio--cleveland ohiocleveland miami digital collections miamidigitalcollections bowden postcard collection bowdenpostcardcollection Persistent URL: contentdm.lib.miamioh.edu/cdm/compoundobject/collection/p... Subject: Aerial views; Coal; Industrial productivity; Ohio--Cleveland; miami digital collections; bowden postcard collection Persistent URL: contentdm.lib.miamioh.edu/cdm/compoundobject/collection/p... Subject: Aerial views; Coal; Industrial productivity; Ohio--Cleveland; miami digital collections; bowden postcard collection |