I've been given some big slabs of slate that i'd love to try to turn
into forest slabs the way Joe Day does with "Muck" to hold the soil in
place.
I have two questions .... #1 what do use to cut this slate into
manageable peices and drill holes ? #2. On a web page, Joe describes
his "Muck" as peat moss and powdered clay ... reminds me of hypertufa.
Where can i find this "powdered clay" stuff?