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California has been the source of more than 106 million troy ounces of gold, the most productive state in the Union. This digitized publication by the California Division of Mines & Geology contains information on approximately 350 gold mining districts.
Distribution of Principal Gold Producing Districts of the United States
This is part two of a series of articles from the Book "Principal
Gold-Producing Districts of the United States" published by the USGS.
The sources of data for the gold worksheet are the mineral statistics publications of the U.S. Bureau of Mines (USBM) and the U.S. Geological Survey (USGS)—Minerals Yearbook (MYB) and its predecessor, Mineral Resources of the United States (MR); and Mineral Commodity Summaries (MCS) and its predecessor, Commodity Data Summaries (CDS)
Two Montana Cities Part II Butte
The very activity of Butte is sometimes wearisome. It never ceases. By day and night the tall chimneys at the mills are pouring forth there smoke sand flame; the stress at all hours of thr day and night are filled with moving throngs.
Principal Gold Producing Districts of the United States
This is part one of a series of articles from the Book "Principal
Gold-Producing Districts of the United States" published by the USGS.
The Legacy of the Bunker Hill Mine
Deep within the mountains of the panhandle of Idaho is a valley that white people named Silver. This valley is the heart of what became known as the Coeur d'Alene Mining District.
Two Montana Cities Part I Helena
The territory of Montana is in itself an empire. It was given Territorial rights in 1864, and since then has increases rapidly both in wealth and population. Fabulously rich in mines, already having an annual output of nearly $26,000,000, it is famous for it's vast areas of grazing land and becoming widely known as an agricultural country.
The Colorado Silver Boom was a dramatic expansionist period of silver mining activity in the U.S. state of Colorado in the late 19th century.
