. Proceedings of the annual convention . — RECORDED-- THEORETICAL RUN NO. 42 STEAM 60 MPH LOAD ON 5 TIES 137210 ^^ N 2- N ^^ z 4- N 6- \ • ^^:^^^^ 8- ^^^V^ \o\ -^ -VERTICAL PRESSURE DISTRIBUTION AT SECTION THRU PRESSURE CELLS 1104 Roadway and Ballast Before Grouting Run No. 8 Diesel. Run No. 10 1 -3 - :r^ =*^^ ___J 5 - Recorded Run No. 6 Theoretical No Volues ot ^

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