This link Opens a series of PPT's collectively known as
Dr.Robertson's series of the 'wind Reader' Lectures given at the Agricultural Colledge of Iceland, and the University Colledge of North Wales.
i Further Reading: http://www.windandlandscape.com/documents/waterpowered-sawmills.pdf
Ye may always be sticking in a tree, windy or not,
it will be growing when you are sleeping