Moving the Earth: The Workbook of Excavation" (5th Edition)

[Stantheman]

This might seem off topic , but if you are involved with clearing and preparing communications sites, building access roads etc .. , then this sort of good down to "earth" Engineering knowledge might help keep your Civil contractors honest, or at least let you talk the talk.

hxxp://avaxhome.ws/ebooks/engeneering_technology/007143058X.html

BR's, Stan.