Coarse above fine

Most golf courses doing OM246 total organic material testing with ATC and PACE Turf choose to check the particle sizes of the material from each layer after the organic material is burned away. This chart shows the distribution of hundreds of sands in terms of the median particle diameter.

I wondered if golf course putting greens tend to have coarser sand over fine, right at the surface, or whether a possible collection of coarse particles by mowing could lead to…