TechnologyChasing Water PocketsSoft Spots in Railroad Tracks, Caused by Pockets in the Subsoil, Create Maintenance Problems and Frequently Necessitate Speed Reductions. Effective Use of Cement Mixtures is Eliminating Such Pockets Without Interfering with the Use of the TrackBy C. B. Peck on November 1, 1945AdvertisementABOUT THE AUTHOR(S)Recent Articles by C. B. PeckTurbines on RailsPower Plants on WheelsChemicals on Rails