March 27, 2018 The Chillicothe Hospital, Chillicothe, Ohio (Date Unknown) I. Robbins & Son | Randson Studio | White Border | c. 1915-1930
March 26, 2018 Entrance to Blue Hole, Castalia, Ohio (Date Unknown) R.G. Tremper Sales Co. | Curt Teich | Linen | c. 1930-1940s
February 3, 2018 Sohio Refinery, Lima, Ohio (Date Unknown) Brunner News Agency | Curt Teich | Chrome | c. 1960s-1970s
January 15, 2018 West Federal Street, Youngstown, Ohio (Date Unknown) Harry H. Hamm | Erie, Pa. Series | Divided Back | c. 1907-1915
January 15, 2018 Black Hand Interurban Tunnel, Zanesville, Ohio (1907) Hugh C. Leighton Co. | Divided Back | c. 1907
January 15, 2018 Blue Hole Entrance, Castalia, Ohio (1940) E.B. Ackley | Curt Teich | Linen | c. 1940
January 15, 2018 The Gateway to the Blue Hole, Castalia, Ohio (1936) Standard Publications | Fort Wayne Printing Co. | Linen | c.1936
