The Kimberly Mine – Idaho County, Idaho
The Kimberly Mine, located in the Marshall Lake mining district of Idaho County, Idaho, was a high-grade gold property discovered in 1900. Although rich gold-bearing quartz veins attracted repeated attempts at development, the mine experienced only intermittent production during much of its history. Continue Reading
Fourth of July Mine – Boulder County, Colorado
The Fourth of July Mine was an ambitious mining venture that never lived up to the expectations of its owners and investors. Located high in the mountains west of Boulder, the property attracted repeated investment over more than six decades and was developed with a deep shaft and a tunnel nearly 2,000 feet long. Yet for all this effort, recorded production amounted to only 115 tons of ore. Continue Reading
The Ikeda Mine: A Japanese Mining Venture in British Columbia
The Ikeda Mine was one of the most unusual early mining ventures on the coast of British Columbia. Located on the southeastern shore of Moresby Island (now part of Haida Gwaii), it was developed by Japanese entrepreneurs at a time when nearly all of British Columbia’s mining industry was controlled by British, Canadian, or American interests. Continue Reading
Black Oak Mine – Tuolumne County, California
The Black Oak Mine, located near Soulsbyville, California, was a gold producer that operated intermittently from 1878 through the 1920s. These exclusive photographs were provided by a descendant of the mine’s superintendent. Continue Reading
Valley View Mine – Placer County, California
The Valley View Mine, also known historically as the Whiskey Hill Mine, Whiskey Diggings, and Harpending Mine, was located in the western foothills of Placer County, California. Unlike the region’s better-known quartz gold mines, Valley View produced primarily copper, with secondary gold, silver, lead, and zinc. Continue Reading
The Mines of Boulder County, Colorado: Photographs by Joseph Sturtevant
Joseph Sturtevant, also known as “Rocky Mountain Joe”, was a professional photographer based in Boulder, Colorado. During his time there, the mining industry in Boulder County was thriving, and he documented much of it in photographs throughout the 1890s and the first decade of the twentieth century. Continue Reading
Stonewall Mine – San Diego County, California
The Stonewall Mine, located approximately seven miles south of Julian, California, was the largest gold producer in San Diego County, with total production estimated at approximately two million dollars. Although mining activity at the site began in the 1870s, its most productive period occurred between 1886 and 1892. Continue Reading
The Lost Burro Mine is located in Inyo County California, within the boundaries of Death Valley National Park. The mine was discovered in 1907 and was worked intermittently by several owners until the 1970s. Continue Reading
The Nevada Belmont Mine and Mill
What is now known as the Belmont mine was previously referred to as the Nevada Belmont and was operated by the Tonopah-Belmont Exploration Company. The mine was a lead producer, and only recorded production in 1926. Continue Reading
The Plumbago Mine – Alleghany District, California
The Plumbago mine was a gold producer located in Sierra County, California. The mine was worked intermittently for over a century. Continue Reading