Froio, Michael, photographer. still image Inkjet prints 2010-2020. gmgpc Landscape photographs 2010-2020. gmgpc December 2012, printed 2021. eng Title from item. From the portfolio: From the Main Line. The photographer supplied a low resolution digital photograph for reference. Michael Froio; Pennsylvania Railroad--Facilities--2010-2020. Railroads--Pennsylvania--Tunnelhill--2010-2020. https://hdl.loc.gov/loc.pnp/ppss.01525 Served by appointment (Unprocessed). To make a request, see "Access to Unprocessed Materials," Publication may be restricted. See "Michael Froio -- Rights and Restrictions Information” (https://www.loc.gov/rr/print/res/788_froi.html)