Excerpt from Notes on the Placer Mines of Cariboo, British Columbia Unlike the conditions in the mines of the Klondike the gravels here were not perennially frozen. And consequently water was usually present in great quantity. The unwatering of the deeper mines was therefore a serious and expensive problem and with greater increase in the depth of the overburden. Water finally rendered the deep ground unworkable. I could not learn of any individual instance where miners were actually driven out of rich pay gravel which ...
Read More
Excerpt from Notes on the Placer Mines of Cariboo, British Columbia Unlike the conditions in the mines of the Klondike the gravels here were not perennially frozen. And consequently water was usually present in great quantity. The unwatering of the deeper mines was therefore a serious and expensive problem and with greater increase in the depth of the overburden. Water finally rendered the deep ground unworkable. I could not learn of any individual instance where miners were actually driven out of rich pay gravel which they were mining. By water, bttt exploration and development of deep ground have undoubtedly been stopped by water, even where rich prospects were obtained. The ques tion therefore at once arises, how much valuable gold-bearing ground is there still in the district awaiting cheaper transporta tion, and larger and more energetic mining methods. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Read Less
Add this copy of Notes on the Placer Mines of Cariboo, British Columbia to cart. $38.45, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2018 by Forgotten Books.
