Skip to main content

Box 75

 Container

Contains 9 Results:

Manganese leaching: interoffice correspondence, 1939-1941

 File — Box: 75, Folder: 1
Identifier: III
Scope and Contents From the Collection: The E. H. Snyder family mining papers (1885-2005) details the development of mining within the Intermountain West and the history of the involvement of the Snyder family in mining.

This collection mainly focuses on the professional activities of E. H. Snyder, along with E. H. Snyder, Jr. The collection contains geologic information regarding properties throughout the west (particularly the Pioche, Mercur and Stockton area), along with financial information.
Dates: 1939-1941

Manganese leaching: National Lead Company correspondence, 1933-1942

 File — Box: 75, Folder: 2
Identifier: III
Scope and Contents From the Collection: The E. H. Snyder family mining papers (1885-2005) details the development of mining within the Intermountain West and the history of the involvement of the Snyder family in mining.

This collection mainly focuses on the professional activities of E. H. Snyder, along with E. H. Snyder, Jr. The collection contains geologic information regarding properties throughout the west (particularly the Pioche, Mercur and Stockton area), along with financial information.
Dates: 1933-1942

Manganese leaching: reduction roasting and acid leach of HC1, 1939-1950

 File — Box: 75, Folder: 3
Identifier: III
Scope and Contents From the Collection: The E. H. Snyder family mining papers (1885-2005) details the development of mining within the Intermountain West and the history of the involvement of the Snyder family in mining.

This collection mainly focuses on the professional activities of E. H. Snyder, along with E. H. Snyder, Jr. The collection contains geologic information regarding properties throughout the west (particularly the Pioche, Mercur and Stockton area), along with financial information.
Dates: 1939-1950

Manganese leaching: brine leach, 1935-1940

 File — Box: 75, Folder: 4
Identifier: III
Scope and Contents From the Collection: The E. H. Snyder family mining papers (1885-2005) details the development of mining within the Intermountain West and the history of the involvement of the Snyder family in mining.

This collection mainly focuses on the professional activities of E. H. Snyder, along with E. H. Snyder, Jr. The collection contains geologic information regarding properties throughout the west (particularly the Pioche, Mercur and Stockton area), along with financial information.
Dates: 1935-1940

Manganese leaching: ammonium salts, 1939-1940

 File — Box: 75, Folder: 5
Identifier: III
Scope and Contents From the Collection: The E. H. Snyder family mining papers (1885-2005) details the development of mining within the Intermountain West and the history of the involvement of the Snyder family in mining.

This collection mainly focuses on the professional activities of E. H. Snyder, along with E. H. Snyder, Jr. The collection contains geologic information regarding properties throughout the west (particularly the Pioche, Mercur and Stockton area), along with financial information.
Dates: 1939-1940

Manganese leaching: sulfur dioxide, 1939-1950

 File — Box: 75, Folder: 6
Identifier: III
Scope and Contents From the Collection: The E. H. Snyder family mining papers (1885-2005) details the development of mining within the Intermountain West and the history of the involvement of the Snyder family in mining.

This collection mainly focuses on the professional activities of E. H. Snyder, along with E. H. Snyder, Jr. The collection contains geologic information regarding properties throughout the west (particularly the Pioche, Mercur and Stockton area), along with financial information.
Dates: 1939-1950

Manganese leaching: process for the treatment of zero gap ore and the production of specific manganese, 1952

 File — Box: 75, Folder: 7
Identifier: III
Scope and Contents From the Collection: The E. H. Snyder family mining papers (1885-2005) details the development of mining within the Intermountain West and the history of the involvement of the Snyder family in mining.

This collection mainly focuses on the professional activities of E. H. Snyder, along with E. H. Snyder, Jr. The collection contains geologic information regarding properties throughout the west (particularly the Pioche, Mercur and Stockton area), along with financial information.
Dates: 1952

Caustic soda leach process for oxidized lead-zinc ores, 1949

 File — Box: 75, Folder: 8
Identifier: III
Scope and Contents From the Collection: The E. H. Snyder family mining papers (1885-2005) details the development of mining within the Intermountain West and the history of the involvement of the Snyder family in mining.

This collection mainly focuses on the professional activities of E. H. Snyder, along with E. H. Snyder, Jr. The collection contains geologic information regarding properties throughout the west (particularly the Pioche, Mercur and Stockton area), along with financial information.
Dates: 1949

Manganese leaching: processes, plant costs, etc., 1939-1950

 File — Box: 75, Folder: 9
Identifier: III
Scope and Contents From the Collection: The E. H. Snyder family mining papers (1885-2005) details the development of mining within the Intermountain West and the history of the involvement of the Snyder family in mining.

This collection mainly focuses on the professional activities of E. H. Snyder, along with E. H. Snyder, Jr. The collection contains geologic information regarding properties throughout the west (particularly the Pioche, Mercur and Stockton area), along with financial information.
Dates: 1939-1950