Mark J. Ptak, P.E.

Mid-State Technical College

Civil Engineering Technology Instructor

mark.ptak@mstc.edu

715-422-5616 - Office

715-422-5554 - Fax     

Draft tutorials:

Introduction to Layers and Architectural Units

External Resources.

http://www.hyperpics.com/

http://www.ul.ie/~rynnet/keanea/HomePage.html