Safe practices at oil derricks
By: by H.C. Miller ...
Series: [U.S.] Bureau of Mines. Technical paper; 419
Publisher: U.S. Govt. Print. Off.
Published: 1927
Place of publication: Washington
Language: eng
Number of pages: 69
Subjects: Oil well drilling.; Petroleum -- Well-boring.
Notes: At head of title: ... Department of Commerce. Herbert Hoover, secretary. Bureau of Mines. Scott Turner, director.