Accidents from falls of rock or ore
By: by Edwin Higgins.
Series: [United States.] Bureau of Mines. Miners' circular; 17
Publisher: Govt. Print. Off.
Published: 1914
Place of publication: Washington
Language: eng
Number of pages: 15
Notes: "Publications on mine accidents and methods of mining": p. 14-15.
At head of title: ... Department of the Interior. Bureau of Mines. Joseph A. Holmes, director.
On verso of t.-p.: ... First edition. July, 1914.