Here's another one. Roadway Design Manual: Minimum Designs for Truck and Bus Turns
This might help.. 2010 ARCH 5901 Taylor Program: Semi-Trailer Truck - TTU College of Architecture And this....
Interesting article. The Truth Behind Wood Identification | The Wood Database
Take a look at this site. They have a few more pics. The Wood Database
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Just curious. Seems that you have an easy time cutting the wood that is close to your tractor as you can lift that end of the log up and place...
Looks like you could use one of these to get the log up out of the dirt when you skid it. MONTANA JACKS QuadSkidder w/Chain Kit