1) Marsh Mines Consolidated. Marsh Mines Consolidated was incorporated in the state of Washington on August 17, 1916, as a reorganization of Marsh Mining Company. #1004-1250. Not Cancelled. 2) Tamarack & Custer Consolidated. The Tamarack & Custer Consolidated Mining Company was incorporated on July 24, 1912. It was formed by the merger of two companies operating adjacent properties near Gem, Idaho. #5251-5500. 1936. Most cancelled. 3) Sherman Led Company. Sherman Led a subsidiary of Tamarack & Custer. #1001-1350. 1930. Mostly Cancelled. 4) Dayrock Mining Company. The Dayrock Mining Company, eventually to become one of the main producers of lead and silver for the Day interests, was originally incorporated November 30, 1923. #4504-470. 1946. Cancelled. All four were part of the Day Company. This large collection will start of 10c a certificate. Date: Country (if not USA): State: IdahoCity: Provenance: Stuart Mackenzie Montana Mining Collection