MikeInParadise
ArboristSite Guru
I came across this manual written for 3rd world countries on using chainsaw mills and others. Has some useful info in it.
http://chainsaw.gwork.org/sawmill/project-outputs/turning-trees-to-timber-manual.pdf/view
http://chainsaw.gwork.org/sawmill/project-outputs/turning-trees-to-timber-manual.pdf/view