[J. Thomas Scharf (1886)] After penetrating for some dis-tance, they found that the character of the rocks sud-denly changed, and the silver vein was entirely lost. They then gave up the search. ■\ Still another attempt was made to open up the old mine. A company known as " The Sing Sing Silver-i Mining Company" was formed, which was incorpor-; ated April 16, 1857, Dr. Benjamin Brandreth, General / Aaron Ward and the Hon. John T. Hoffman being J the charter members. The capital of the company i was one hundred thousand dollars, with authority to increase it to one million dollars. They drew the water out of the mine, and then, seeming to think that the appearances were not sufficiently promising, they stopped operations. A gentleman who resided in Yonkers, named Sam-son Simpson, is said to have owned a set of silver spoons made of ore extracted from this mine, and an-other gentleman, residing in New Jersey, is said to have possessed a silver pitcher also of the silver mined in Sing Sing. The Copper-Mine in Sparta.— A vein of copper-ore was discovered by accident, in the year 182<», on the high marble cliff in Sparta about eighty feet above tide-water, three hundred feet e:ist of the Hudson River and about one hundred rods south of the State Prison. The appearances seemed so favorable for the exist-ence of copper in paying quantities, that a company was formed to mine for the metal. It was incorpo-rated on the 12th of April, 1824, with a capital of fifty } thousand dollars, Edward Kemeys, Henry Waller,