Installation of a model man cage at the Avoca Shaft of the Heidelberg Coal Co., Avoca, Luzerne County, Pa.

Creator Personal:

Mather, Joseph V., McCleary, E. H.

Title:

Installation of a model man cage at the Avoca Shaft of the Heidelberg Coal Co., Avoca, Luzerne County, Pa.

Call Number:

P19458

Date:

1947

Description:

Serial issue. Issued as: United States. Bureau of Mines. Information circular, 7407 (1947).

Subject Topical:

Mine safety., Coal mines and mining--Pennsylvania--Safety measures.