Search Constraints

You searched for: Acquisition Source Consolidation Coal Company Remove constraint Acquisition Source: Consolidation Coal Company Date 1947/09/26 Remove constraint Date: 1947/09/26 Topical Subjects Coal Mines and Mining--Consolidation Coal Company. Remove constraint Topical Subjects: Coal Mines and Mining--Consolidation Coal Company.
Number of results to display per page

Search Results

This picture shows the thickness of the coal seam in relation to a normal doorway.