Use of airplanes in mining and petroleum operations (abstract)

Author:	Wolflin, Hugh Maupin,
Additional Authors:	Wright, Charles Will,
Year:	1934
Document Type:	USBI
Issuing Agency:	U.S. Bureau of Mines,
SUDOC:	I 28.27:6767
Series:	Information Circular / Bureau of Mines ;
Report Number:	6767
Subjects:	Mines and mineral resources
	Petroleum
Link:	https://hdl.handle.net/2027/mdp.39015077571985