The mineral industry: its statistics, technology and trade in the United States and other countries to the end of 1902: Edited by Joseph Struthers, Ph.D. Volume xi, supplementing volumes i–x. (4to, pp. xxx + 891.) New York and London: The Engineering and Mining Journal. 1903. (Price, $5)

The mineral industry. Its statistics, te

The mineral industry. Its statistics, technology and trade, in the United States and other countries, from the earliest times to the end of 1892. Vol. I: Edited by Richard P. Rothwell, editor of the Engineering and Mining Journal. New York : The Scientific Publishing Company. 1893

✍ W. 📂 Article 📅 1893 🏛 Elsevier Science 🌐 English ⚖ 153 KB

BOOR A'otzcrs. 239 l)uffield well is only sixty-five feet deep and yields but sistJ gallons per hour, while the Lansdale well yields ZOO gallons per minute. In these tightly-packed clay slates an abundance of water is found only at great depths. BOOK NOTICES. .U7iZlimu Gih'krt, of Cokhester; Physici