Prospecting, Locating and Valuing Mines

A Practical Treatise for the Use of Prospectors, Investors, and Mining Men Generally : with an Account of the Principal Minerals and Country Rocks, Ore Deposits, Locations and Patents, the Early Development of Mines, Earthly Mineral Products, Coal, Gold Gravels and Gravel Mining, Measurement of Water, and Artesian Wells

Richard Henry Stretch