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1. Observations in coal mines of Europe (Upper Silesia, Germany).

Creator Personal:
Haas, Frank.
Title:
Observations in coal mines of Europe (Upper Silesia, Germany).
Call Number:
P2946
Date:
1909
Description:
Pamphlet. Address delivered before the West Virginia Coal Mining Institute, Huntington, W.Va., December 9th, 1909.
Subject Topical:
Coal mines and mining--Silesia, Upper (Germany), Coal mines and mining--Europe.
All:
Coal mines and mining--Europe., Coal mines and mining--Silesia, Upper (Germany)
["<p> Pamphlet. \"A paper read before the West Virginia Mining Association, October 7, 1908, Charleston, W.Va.\"</p>"]

2. Is dust, as such, explosive? : and if so, what are the chemical reactions and the most efficient preventatives?

Creator Personal:
Haas, Frank.
Title:
Is dust, as such, explosive? : and if so, what are the chemical reactions and the most efficient preventatives?
Call Number:
P3002
Date:
1908
Description:

Pamphlet. "A paper read before the West Virginia Mining Association, October 7, 1908, Charleston, W.Va."

Subject Topical:
Coal dust., Coal mines and mining--Safety measures.
All:
Coal dust., Coal mines and mining--Safety measures.