Relations between local magnetic disturbances and the genesis of petroleum,
Becker, George F. 1847-1919.
Relations between local magnetic disturbances and the genesis of petroleum, by George F. Becker. - Washington, Govt. Print. Off., 1909. - 24 p. fold. map. 24 cm. - U.S. Geological Survey bulletin 401 .
gs 09000278
Petroleum.
QE75 / .B9 no. 401
I 19.3:401
Relations between local magnetic disturbances and the genesis of petroleum, by George F. Becker. - Washington, Govt. Print. Off., 1909. - 24 p. fold. map. 24 cm. - U.S. Geological Survey bulletin 401 .
gs 09000278
Petroleum.
QE75 / .B9 no. 401
I 19.3:401