Many professors upload the official instructor’s manual to password-protected university portals (e.g., Canvas, Moodle, Blackboard). Ask your professor directly. If they know you are using it to answers (not copy them), they may grant access.
Hydrology often mixes SI and English units. A verified manual ensures conversion factors are applied correctly. solucionario hidrologia aplicada ven te chow verified
While LibGen hosts a copy, it is rarely verified. However, there is a of the 1988 Instructor’s Manual with handwritten corrections from Caltech archives. Look for the file with "CRC" or "Mays_corrected" in the metadata. Many professors upload the official instructor’s manual to