Bhatnagar N C Geology and groundwater resources of parts of Bala - Delhi Manager Of Publication India 1970 - vi,224p. cm. - Bulletins Of The Geological Survey Of India : Engineering Geology And Ground Water Series B . 29 . Bib p. 222-24; Appendix p. 74-220 Source: General Book Subjects--Topical Terms: Geology Dewey Class. No.: H7.271.N6, L0