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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Description Container

RG 9 
Schematics, Charts, Blueprints, Patterns and Maps  ca.1880-1995