conservation purpose

(i) the preservation of land areas for outdoor recreation by, or the education of, the general public,

(ii) the protection of a relatively natural habitat of fish, wildlife, or plants, or similar ecosystem,

(iii) the preservation of open space (including farmland and forest land) where such preservation is—

(I) for the scenic enjoyment of the general public, or

(II) pursuant to a clearly delineated Federal, State, or local governmental conservation policy,

and will yield a significant public benefit, or

(iv) the preservation of an historically important land area or a certified historic structure.

(i) the preservation of land areas for outdoor recreation by, or the education of, the general public,

(ii) the protection of a relatively natural habitat of fish, wildlife, or plants, or similar ecosystem,

(iii) the preservation of open space (including farmland and forest land) where such preservation is—

(iv) the preservation of an historically important land area or a certified historic structure.