Removal of the unstable layer of gypsum
Overview showing the removal of the unstable layer of gypsum (~100.000 m3) for the project for a pyrite ash treatment plant for the production of iron pellets and copper metallurgy at Quimigal Barreiro, Portugal.
Context Area
File Reference Code
BEI-3157-I.12
Author
Content Area
Title
Removal of the unstable layer of gypsum
Description
Overview showing the removal of the unstable layer of gypsum (~100.000 m3) for the project for a pyrite ash treatment plant for the production of iron pellets and copper metallurgy at Quimigal Barreiro, Portugal.
Location
Barreiro [Portugal]
Date
30 September 1977
Subjects
Physical Description
File Type
Image
Support
Paper
Tone
Monochrome
Orientation
Horizontal
Format
13x17,7 cm
Access and Use
Languages
English
Copyright Notes
Some copyright restrictions may apply.
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