June 10 1916 (2 risultati)

Condizione: Like New. In unused condition, may show some slight shelf wear, but otherwise unread. This title was digitally scanned from a rare, out of print edition, and will have some visual artifacts from that process.

Paperback. Condizione: New. Print on Demand. This book follows South American mining in the early 20th century. The author, an engineer, was a mining expert who spent years traveling through Colombia. His in-depth knowledge of mining techniques is evident in his thorough examination of the successes and failures in placer grounds. He highlights important figures from the time, many forgotten by history. The author's careful research and first-hand experience lead to fascinating historical insights. This book is an excellent resource for anyone interested in the mining industry's history or anyone seeking insights into the economic and social aspects of early 20th century South America. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…