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A Profile Earthwork Scale Au: Sherwin, H.H. and Floyd, J.E.
Publication: Purdue Society of Civil Engineering Proceedings
Subject: Profile Earthwork Scale
Date: 1899
no. 4 p. 41-42
Publication: Purdue Society of Civil Engineering Proceedings
Subject: Profile Earthwork Scale
Date: 1899
no. 4 p. 41-42
