t J. McManus, Esq., "Why the Ohio Case Shouldn't Matter," Natural Resource Journal, Winter 1994,119.
factor of proportionality ranged from 50% to 200% . . . "4 Natural resources provide tangible and intangible benefits: "Tangible benefits are those which can reasonably be assigned a monetary value. Intangible benefits are those which cannot be assigned a reasonable value, either because data are not available or reliable enough or because it is not clear how to measure the value with data."5 With regard to the composition of total value measures, there are two related problems: first, is the possibility of decomposing total value into subcomponents, being able to value them separately, and then again aggregating them to arrive at a total value; second, is that changes in the quantity or quality of a natural resource will generate total value measures which cannot then be uniquely decomposed.
Natural resource damage assessment uses and relies on nonmarket valuations in two different assignments: first, in valuing the services lost in order to measure interim
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