developed for Office of Surface Mining Reclamation and Enforcement, U.S. Department of the Interior ; developed by Human Technology, Inc., under contract OPM-85-77 with U.S. Office of Personnel Management, Office of Training and Development
developed for Office of Surface Mining Reclamation and Enforcement, U.S. Department of the Interior ; developed by Human Technology, Inc. under contract OPM-85-77 with U.S. Office of Personnel Management, Office of Training and Development