TY - BOOK AU - Bhatnagar N C TI - Geology and groundwater resources of parts of Bala T2 - Bulletins Of The Geological Survey Of India : Engineering Geology And Ground Water Series B . 29 U1 - H7.271.N6, L0 PY - 1970/// CY - Delhi PB - Manager Of Publication India KW - Geology N1 - Bib p. 222-24; Appendix p. 74-220 ER -