In addition to the reference items listed to the right, here are others specific to Civil and Environmental Engineering.
Here are some links to authoritative online resources that provide quick access to facts, figures and information in many areas of science and engineering. Be aware, also, that the U.Va. libraries also have excellent collections of reference materials in print format. If you cannot find the information you need online, be sure to consult a librarian for assistance in locating the facts and data you want!