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Displaying 1 to 2 of 2 results for 1899


Au: Anderson, A. Errors of Leveling in a Twenty five Mile Line of Triplicate Levels
Publication: Purdue Society of Civil Engineering Proceedings
Subject: Leveling
Date: 1899
no. 4 p. 45-48

Au: McBroom, A.S. The Purdue University sea-level Bench Mark
Publication: Purdue Society of Civil Engineering Proceedings
Subject: Leveling
Date: 1899
no. 4 p. 27-30