shale

  1. S

    Clay and Shale Ground for Pool "FRUSTRATED"!

    Frustrated to no return! Installing an 18ft round pool. Yard was on a slight slope about 10" over the 19foot. so we had to dig it out. Its all dug out to within an inch all over. The problem is the ground is hard clay with shale rocks all throughout. This makes fine tuning to level out pavers...