US Bureau of Mines Collection - Second Floor of the Concentrator

Photograph

-

Boulder City/Hoover Dam Museum

0022:0182: US Bureau of Mines Collection - C-819-BC Second Floor of the Concentrator: On this floor are flotation machines of four different designs from three manufacturers for a total of 38 individual cells. In combination with the conditioners on the floor above the gang sampler and pumps on the floor below, they com[prise an extremely flexible unit, and a variety of flow-sheets may be devised to fit the need of any particular ore. Out of view of the camera to the right are two filters which discharge onto conveyors on the floor below.
0022:0182

US Bureau of Mines Collection - C-819-BC Second Floor of the Concentrator: On this floor are flotation machines of four different designs from three manufacturers for a total of 38 individual cells. In combination with the conditioners on the floor above the gang sampler and pumps on the floor below, they com[prise an extremely flexible unit, and a variety of flow-sheets may be devised to fit the need of any particular ore. Out of view of the camera to the right are two filters which discharge onto conveyors on the floor below.

Name/Title

US Bureau of Mines Collection - Second Floor of the Concentrator

Entry/Object ID

0022:0182

Description

US Bureau of Mines Collection - C-819-BC Second Floor of the Concentrator: On this floor are flotation machines of four different designs from three manufacturers for a total of 38 individual cells. In combination with the conditioners on the floor above the gang sampler and pumps on the floor below, they com[prise an extremely flexible unit, and a variety of flow-sheets may be devised to fit the need of any particular ore. Out of view of the camera to the right are two filters which discharge onto conveyors on the floor below.

Collection

US Bureau of Mines, Boulder City Businesses

Made/Created

Artist Information

Artist

U. S. Dept. of the Interior - Bureau of Mines

Role

Photographer

Time Period

not provided

Notes

Original or Negative: Original C-819-BC

Location

Location

* Untyped Location

Research Room, Photo Drawer 11

Date

July 6, 2026

Created By

[email protected]

Create Date

March 30, 2022

Updated By

[email protected]

Update Date

July 6, 2026