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Displaying 1 to 2 of 2 results for Purdue Engineer
New Panama Railroad
Publication: Purdue Engineer
Subject: Hoffmark, R.F.
Date: 1909
no. 5 p. 7-19
Publication: Purdue Engineer
Subject: Hoffmark, R.F.
Date: 1909
no. 5 p. 7-19
New Cascade Tunnel
Publication: Purdue Engineer
Subject: Hoffmark, R.F.
Date: 1927
v. 22, no. 4 p. 3
Publication: Purdue Engineer
Subject: Hoffmark, R.F.
Date: 1927
v. 22, no. 4 p. 3
