The Mineral Wealth of the Black Hills by Connolly, Joseph P. & Cleophas C. O'Harra - 1929

Rapid City, SD: South Dakota Sch Mines. Good with No dust jacket as issued. 1929. First Edition. Paperback. Grayish paperback with black lettering. Spine has been covered with clear tape. Scarce if not rare copy. corners may have folds. Has appendix and a large section of photographs at end. Excerpt: ...or fragments but further prospecting located the ore in long fissures or "verticals" both to the north and to the south of Ragged Top but chiefiy to the north on what is known as the Dacy.or Balmoral fiat. These so called verticals are perpindicular crevices in the 'massive limestone partially or wholly filled with a siliceous mass of brecciated limestone containing more or less iron oxide and calcite. Active mining operations were carried on along these verticals, seven in number. during the years 1896-97 and then ceased. Item now in archival sleeve to preserve and protect condition. Our photo's/scans are of the actual item being sold, not a borrowed image! We provide tracking and ship daily or next business day!; South Dakota School of Mines #16; Photographs and illustrations; 8vo 8" - 9" tall; 417+ pages .