TY  - BOOK
AU  - Hayward, J.A.
TI  - Watershed management part-1 of the proceedings of a symposium on: watershed management in water resources development No 8 December 1969
U1  - 333.73 21st ed.
PY  - 1969///
CY  -  New Zealand 
PB  - Agricultural engineering and research publication
KW  - watershed management
KW  - forest influences
KW  - Water resource management
ER  -