エネルギーと環境 · 1994/6/281 分で読めます
Pennsylvania Abandoned Mine Lands Reclamation Plan
ローカル自動翻訳 · 情報源の原言語
概要
OSM is announcing the withdrawal of proposed rule changes to the Pennsylvania Abandoned Mine Land Reclamation Plan (hereinafter referred to as the ``Pennsylvania Plan'') under the Surface Mining Control and Reclamation Act of 1977 (SMCRA).