Alfred Noble

THE NEW YORK TUNNEL EXTENSION OF THE PENNSYLVANIA RAILROAD. By Alfred Noble, Past-President, Am. Soc. C. E. A general outline of the work included in this Division has been given by General C. W. Raymond, M. Am. Soc. C. E., in the first paper of the series. The few pages following are intended only as a note to connect his paper with the more detailed descriptions of the execution of the work, which... more...