Search Constraints

You searched for: Creator Personal Names Haas, Frank. Remove constraint Creator Personal Names: Haas, Frank. All Subjects Coal dust. Remove constraint All Subjects: Coal dust. All Subjects Coal mines and mining--Safety measures. Remove constraint All Subjects: Coal mines and mining--Safety measures. Subject Topical Coal dust. Remove constraint Subject Topical: Coal dust. Subject Topical Coal mines and mining--Safety measures. Remove constraint Subject Topical: Coal mines and mining--Safety measures.

Search Results

["<p> Pamphlet. "A paper read before the West Virginia Mining Association, October 7, 1908, Charleston, W.Va."</p>"]