Search Results       Your search for [subject]Coal liquefaction -- Environmental aspects -- United States returned 1 record.           Environmental, health, and control aspects of coal conversion : an information overview. by Ensminger, J. T.; Ann Arbor, Mich.: Ann Arbor Science Publishers, 1981. Subject: Coal liquefaction -- Environmental aspects -- United States; Coal gasification -- Environmental aspects -- United States.          Add to Book Cart Relevance: 31.29%