TY  - BOOK
AU  - India Geological Survey
ED  - 
TI  - Bulletins of the geological survey of india. series b: engineering geology and ground water. no.18 - geology and ground water resources of the azamgarh-ballia region, eastern u.p
U1  - 555.4 ind/bul 
PY  - 1966///
CY  - Delhi
PB  - Manager Of Publ.
N1  - B
ER  -