Maryland
Subtitle: the campaign of violence conducted by the United Mine Workers of America against the open shop mines in the Georges Creek and upper Potomac fields, submitted to the United States Coal Commission, Sept. 18, 1923
Contributors: United States. Coal Commission
Published: 1923
Language: eng
Number of pages: 50
Subjects: Coal mines and mining; United Mine Workers of America
Other titles: Brief no. 10
Notes: Microfilm. New York, N.Y., Columbia University Libraries, 1995. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1995.