San Francisco: Dunn & Patrick, 1866. 15pp. Original printed yellow wrappers. A few small chips in the edges of the wrappers, spine paper partially perished. Wrappers lightly soiled. Ex-Harvard Museum of Comparative Zoology Library (properly deaccessioned) with their blindstamp on the front wrapper and withdrawn stamp on the verso of the front wrapper. Two contemporary manuscript corrections to text. Very good. A presentation copy, inscribed on the front wrapper to the noted San Francisco mining engineer, Henry Janin. An unrecorded San Francisco imprint, giving a report on gold, copper and lead mines in Matamoras, state of Chihuahua, in the foothills of Mexico's Sierra Madre mountains. The river Urique has cut through the region of the La Barranca de Huacayvo mines, "forming, or at least, still further deepening an immense chasm.This chasm performs the part of Nature's grand prospector, exposing such veins as cross its course for hundreds of feet perpendicularly; enabling the adventurous miner to attack the lode at any point, from the dismal depths of the pale green torrent, to the far off hights [sic] above." Keyes describes the quality of the ores, the cost of labor and prices of food, the transportation routes to the mines, and notes the profits that can be made in San Francisco markets, especially on copper. He concludes that "I am of the opinion that in no part of the world can be found a more promising mine than the Barranca. It shows fine bodies of vitreous copper in every opening that has been made upon it.All the ores contain gold."Geologist Winfield Scott Keyes (1839-1907) was the son of Civil War General, Erasmus Darwin Keyes, and a graduate of the School of Mines in Freiberg, Germany. He appears as the author of four other mining reports each located in only a single copy in OCLC. Three of those are reports for mines in Nevada and Colorado; the fourth (and earliest) is dated a year before the present report, and was also for a mine in Chihuahua. We can locate no record of this report in OCLC or in any bibliography or bookseller catalogue consulted. Apparently unrecorded. Bookseller Inventory #
Title: REPORT UPON THE MINE, LA BARRANCA DE ...
Binding: Original wraps
Book Condition: Very good
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