Morrison Mud: Tunnelling, Drilling, and Underground Construction Links

www.fletcherrobinson.pwp.blueyonder.co.uk/digging-deep/

Digging-Deep is an online resource for information and comment relating to underground civil engineering for transportation of people and utilities. Areas covered include: Trenchless Technology : Tunnelling (Tunneling) : Tunnel Jacking : Microtunnelling (Microtunneling) : Pipe Jacking (Pipejacking) : Auger Boring : Pipe Ramming : Horizontal Directional Drilling : Pipe and Tunnel Rehabilitation.  

http://www.groundwatersystems.com

Presented by Smith-Comeskey Ground Water Science LLC: Devoted to using their skills and experience to serve ground water users - an excellent collection of links.