| United States. Bureau of Mines - 1885 - 1050 pagine
...Steubenmlle coke. — This coal field, in which are included the ovens iu Jefferson and Belmont counties, is one of the most important as it is one of the oldest worked and best known in Ohio. The coke made in SteuNo.1. No. 2. Percent. 3 GO Percent. 4 37... | |
| Harold S. Buttenheim - 1919 - 724 pagine
...Multnomah County, Ore. THERE are many different classes of road construction, and water-bound macadam is one of the most important, as it is one of the less expensive and of what might be termed "basic" types of road construction. Every road should be... | |
| 1887 - 588 pagine
...complete the writing of this book now just published — a book that without doubt will be found to be one of the most important as it is one of the most interesting and well-written contributions to the history of the Civil War. [ New York : Charles Scribner's... | |
| 1903 - 602 pagine
...without disappointment. It is a fine confession for a man to make as he approaches the conclusion of one of the most important, as it is one of the most laborious and painstaking inquiries possible to physical science. The main fact that I gather from... | |
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