Design, Inc.  Fred Brackebusch, P.E. is a well known expert in mine backfill, particularly in the new area of technology called paste backfill.  He has provided consulting services for many major mining companies worldwide in development of paste backfill systems and paste tailings disposal, including basic design and commissioning of plants.  He is often involved in mine feasibility studies, particularly for narrow vein underground mines, but also for open pit mines.  He has experience with metallurgical processes and environmental permitting.