Excavations from 2002:
web.archive.org/web/20031210093525/http://www.orkneydigs.org.uk/2002/dig3/index.asp (archive link)
Excavations from 2005-6:
http://www.uhi.ac.uk/en/archaeology-institute/our-research/research-projects/knowes-of-trotty/
Something is not right. This message is just to keep things from messing up down the road