Historic Structure Report, Architectural Data Section: The Railroad Tracks, Charlestown Navy Yard, Boston National Historical Park, Charlestown, ... No. 12; September 1983 (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from Historic Structure Report, Architectural Data Section: The Railroad Tracks, Charlestown Navy Yard, Boston National Historical Park, Charlestown, Massachusetts; Package No. 12; September 1983

Originally, extensive subsurface investigation was proposed to analyze existing conditions, but due to funding limitations and a relatively short projected shelf life it was decided to investigate without excavation. There exist areas that are not covered with paving, and, at those locations below grade investigation of the ballast, bed, and ties were possible. However, the balance of trackage was not investigated below grade. In that case, assumptions were formulated from known conditions.

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