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Re: Coefficient of Friction between Boulders

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Denise:
 
Is the face of the wall sloped or vertical.
 
Are the larger boulders on the bottom or random.
 
Can you see contact surface at any section.
 
What quality would you say the concrete is and is the this like mortar in block wall.
 
 
Joe Venuti
Johnson & Nielsen Associates
Palm Springs, CA