Branching Out Into Slate Production Stone World
May 29, 2007 Branching out into slate production. May 29, 2007. Jennifer Richinelli. Order Reprints. 2 Comments. RMG Stone Products, Inc. of Castleton, VT, is in the process of developing slate quarries on two pieces of land, which it purchased a year ago. Currently, the company offers two trademarked slate varieties - Woodland Jade and Mountain Plum.
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