Many engineering colleges provide free access to e-textbooks via platforms like ScienceDirect or local digital libraries. Check your university library login.
In conclusion, the book by K.C. Patra is a valuable resource for anyone interested in hydrology and water resources engineering. The book provides a comprehensive coverage of the subject, including key topics such as hydrologic cycle, precipitation analysis, runoff estimation, and groundwater flow. The book is an essential resource for students, professionals, and researchers working in the field of water resources engineering. hydrology and water resources engineering k.c. patra pdf