Mine signboards
By: by Edwin Higgins and Edward Steidle.
Contributors: Steidle, Edward, 1887-
Series: [United States] Bureau of mines. Technical paper,; 67
Publisher: Govt. Print. Off.
Published: 1913
Place of publication: Washington
Language: eng
Number of pages: 15
Subjects: Coal mines and mining -- Safety measures; Signs and signboards
Notes: At head of title: . . . Department of the interior. Bureau of mines. Joseph A. Holmes, director.
On verso of t.-p.: First edition. December, 1913.
"Publications on mine accidents and methods of mining": p. 14-15.