RG 9
Schematics, Charts, Blueprints, Patterns and Maps ca.1880-1995
Extent: Approximately 30,000 items.
Schematics, Charts, Blueprints, Patterns and Maps Scope and Content Note
This record group includes approximately 30,000 maps, drawings, schematics and patterns. These records document the layouts of mining camps, construction details of blast furnaces, plans of company stores, accident scenes, coal deposits and numerous other aspects of the steel and mining industry.
Arrangement: Schematics, Charts, Blueprints, Patterns and Maps Arrangement
Currently organized into three subgroups
SG 9.1, Pueblo Plant, no date
SG 9.2, Mines and Quarries, no date
SG 9.3, Aperture Cards, 1960-1980
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RG 9 |
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