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Schuylkill river railroad bridge
Illustrates and describes the extension of double-track stone arch spans by nine parallel double-track concrete spans with stone sheeting. (1800 w.) (No. 49161)
Schuylkill river railroad bridge
Illustrates and describes the extension of double-track stone arch spans by nine parallel double-track concrete spans with stone sheeting. (1800 w.) (No. 49161)
Schuylkill river railroad bridge
Eng Rec
1914
Article (Journal)
English
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