[TowerTalk] Equivalent wind load to square ft

[Cqtestk4xs at aol.com]

A friend of mine is thinking of putting up some wind generators and  has 
asked for my advice.  The only information he can give me for the wind  load 
is 300# at 100 MPH.  I know that makes sense to some, but I'm used to  square 
ft loads for ham antennas.  
 
Is there some kind of simple equivalency that I can use to figure  out what 
this would mean if we were talking plain old square ft antenna  load?  I 
don't know if I worded this exactly right but I hope someone  can help me on 
this.
 
Bill K4XS/KH7XS