the restoration of land and water resources and the environment previously degraded by adverse effects of coal mining practices including measures for the conservation and development of soil, water (excluding channelization), woodland, fish and wildlife, recreation resources, and agricultural productivity.

Any State or Indian tribe not certified under section 1240a(a) of this title may expend funds allocated to such State or Indian tribe in any year through the grants made available under paragraphs (1) and (5) of section 1232(g) of this title for the purpose of protecting, repairing, replacing, constructing, or enhancing facilities relating to water supply, including water distribution facilities and treatment plants, to replace water supplies adversely affected by coal mining practices.

If the adverse effect on water supplies referred to in this subsection occurred both prior to and after August 3, 1977, or as the case may be, the dates (and under the criteria) set forth under section 1232(g)(4)(B) of this title, section 1234 of this title shall not be construed to prohibit a State or Indian tribe referred to in paragraph (1) from using funds referred to in such paragraph for the purposes of this subsection if the State or Indian tribe determines that such adverse effects occurred predominantly prior to