WELL TREATMENT TECHNIQUES FOR RESTORING YIELD AND REDUCING SAND PUMPING by Bruce E. Kroeker, P.E.1 and Carl E. Nuzman, P.E.2   SUCTION FLOW CONTROL DEVICE by Carl E. Nuzman, Chief Hydrologist, Layne-Western Company, Inc. and Richard C. Jackson, President, Sand Control Technologies, Inc   Layne-Western Company, Inc. 1900 Shawnee Mission Parkway Mission Woods, KS 66205 (913) 362-0510 1-800-433-6776

1 Ted Zorich & Associates, Inc., 7333 West Jefferson Avenue, Suite 210, Lakewood, Colorado 80235, 303/980-0030. 2 Layne-Western Company, Inc., 1900 Shawnee Mission Parkway, Mission Woods, Kansas 66205, 913/677-6880.