Items

• [D7927C], Agreement, Edison Ore Milling Co Ltd, United States Mining Investment Co, December 17th, 1879
  1879-12-17
• [D8035C], Publication, United States Mining Investment Co, Edward Bates Dorsey, January 12th, 1880
  1880-01-12
• [D8035K], Letter from United States Mining Investment Co, Samuel A Wheelwright to Spring Valley Hydraulic Gold Co, July 10th, 1880
  1880-07-10
• [HM790086], Agreement, Thomas Alva Edison, United States Mining Investment Co, December 17th, 1879
  1879-12-17
• [HM790087], Agreement, Edison Ore Milling Co Ltd, United States Mining Investment Co, December 17th, 1879
  1879-12-17