“Air Quality and Industrial Sand (Frac Sand) Mining,” the sixth in a series of studies by Isaac Orr of The Heartland Institute and Mark Krumenacher, GZA Environmental, has been released.
Read More“Air Quality and Industrial Sand (Frac Sand) Mining,” the sixth in a series of studies by Isaac Orr of The Heartland Institute and Mark Krumenacher, GZA Environmental, has been released.
Read More