"Facts and Figures Concerning the Hoosac Tunnel" by John J. Piper is a comprehensive exploration of one of the most ambitious engineering projects of the 19th century. As an authoritative voice in the field of civil engineering, Piper meticulously documents the construction and operation of the Hoosac Tunnel, offering readers a wealth of detailed information and insightful analysis. In this meticulously researched work, Piper delves into the technical challenges, innovative solutions, and human stories behind the creation of the Hoosac Tunnel. From the initial planning stages to the completion of the monumental project, Piper provides readers with a fascinating glimpse into the world of 19th-century engineering and construction. Through a combination of factual data, historical anecdotes, and firsthand accounts, Piper brings the Hoosac Tunnel to life, capturing the spirit of ingenuity and perseverance that characterized its construction. He explores the geological obstacles, financial setbacks, and labor disputes that plagued the project, offering valuable lessons for future generations of engineers and historians alike.