Geological and mineral map of Bihar.
Geological Survey of India.
Survey of India.
[Calcutta?] : Geological Survey of India,
c1972.
Includes indexes.
"Based upon Survey of India map with the permission of the Surveyor General of India".
"Reg. no. 2770 E'54-1,022'72-2,000'74."
Produced to accompany Bulletins of the Geological Survey of India.
Geology
Mines and mineral resources