Experiments on the coals of the Pacific Coast : letter from the Secretary of the Navy inclosing report of experiments on the coals of the Pacific Coast

First report on the coals suited to the steam navy : presented to both houses of Parliament by Command of Her Mejesty

De la Beche, Henry Thomas, (1848)

Second report on the coals suited to the steam navy : presented to both houses of Parliament by Command of Her Mejesty

De la Beche, Henry Thomas, (1849)

Abstract of Professor Johnson's report to the secretary of the Navy, of the United States, respecting Forest Improvement coal

Johnson, Walter Rogers, (1845)