8.1.2 BACKGROUND
8.1.2.1 Input Statement
a comprehensive statement has been developed to provide a rapid checklist of the many important input parameters (Adler and Thompson, 1987. The three major areas are (1) natural 8.1.1) Those parameters appearing early are generally the most important. Natural conditions, which are almost invariant, require that a dual thrust be maintained concerning resource potentials and engineering capabilities. An additional basic distinction occurs between geography and geology. For company apabilities, fiscal, engineering, and management resources must be recognized. This includes the scale of investment, profitability skills and experience. Public policy must be con- sidered, particularly as to governmental regulations (especially safety and health and environmental tax laws, and contract status. Some of the latter input factors are held in abeyance near the end of the investigation, and then considered as modifying factors. This organ on duplicates but tightens others (Hartman, 1987