America from 500 Feet!


Book Description

With camera in hand, nature photographer Fortney took to the air to capture America's most remarkable scenery from just 500 feet off the ground. Aided by son Wesley, they provide readers with a photographic look at human--and geographical--nature. 150 photos.




Transactions of the American Society of Civil Engineers


Book Description

Vols. 29-30 contain papers of the International Engineering Congress, Chicago, 1893; v. 54, pts. A-F, papers of the International Engineering Congress, St. Louis, 1904.






















American Railroad Bridges


Book Description




The Code of Federal Regulations of the United States of America


Book Description

The Code of Federal Regulations is the codification of the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government.