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You searched for: Creator Personal Names East, J. H., Jr. Digital Content No Digital Content

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Creator Personal:: East, J. H., Jr. , Harrington, D. (Daniel), 1878-
Title:: Safety catches on mine cages and methods of testing them.
Call Number:: P19455
Date:: 1948
Description:: Serial issue. Issued as: United States. Bureau of Mines. Information circular, 7436 (1948).
Subject Topical:: Mine safety.
All:: Mine safety.

Creator Personal:: East, J. H., Jr. , Harrington, D. (Daniel), 1878-
Title:: Safe storage, handling, and use of commercial explosives in metal mines, nonmetallic mines, and quarries.
Call Number:: P19459
Date:: 1946
Description:: Serial issue. Issued as: United States. Bureau of Mines. Information circular, 7380 (1946:Sept.).
Subject Topical:: Explosives--Safety measures., Mine accidents.
All:: Explosives--Safety measures., Mine accidents.

Printed Ephemera Collection