US Bureau of Mines Collection - Hydrometallurgical Building

Photograph

-

Boulder City/Hoover Dam Museum

0022:0189: US Bureau of Mines Collection - C-757-BC Hydrometallurgical Building, From the Northeast, Showing Rotary Kiln: In the center is a 40-foot by 4-1/2-foot rotary kiln with stack and cooler. This kiln is being used at present to nodulize manganese and chromium concentrates. In the foreground are various storage tanks and a 25-foot thickener.
0022:0189

US Bureau of Mines Collection - C-757-BC Hydrometallurgical Building, From the Northeast, Showing Rotary Kiln: In the center is a 40-foot by 4-1/2-foot rotary kiln with stack and cooler. This kiln is being used at present to nodulize manganese and chromium concentrates. In the foreground are various storage tanks and a 25-foot thickener.

Name/Title

US Bureau of Mines Collection - Hydrometallurgical Building

Entry/Object ID

0022:0189

Description

US Bureau of Mines Collection - C-757-BC Hydrometallurgical Building, From the Northeast, Showing Rotary Kiln: In the center is a 40-foot by 4-1/2-foot rotary kiln with stack and cooler. This kiln is being used at present to nodulize manganese and chromium concentrates. In the foreground are various storage tanks and a 25-foot thickener.

Collection

US Bureau of Mines, Boulder City Businesses, Boulder City Landscaping

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-757-BC

Location

Location

* Untyped Location

Research Room, Photo Drawer 11

Date

July 6, 2026

Created By

[email protected]

Create Date

February 21, 2024

Updated By

[email protected]

Update Date

July 6, 2026