[Jaybee]

Originally Posted by Tony

One can do a simple test themselves, ribbon test. This tests shows how much sand, silt and clay is present in the soil.
https://www.youtube.com/watch?v=fufeaLBLGlk

Great idea! - can't believe I didn't think of it considering that I've logged well over 1000 soil borings.

A jar sedimentation test can also confirm the results if you have a day or so to let it settle.