View/Open - University of Zululand Institutional Repository

20
Source: After Middleton, B.J., Lorentz, S.A., Pitman, W.V. and Midgley, D.C., 1981.
Surface water resources of South Africa, VOL V: drainage regions
MNPQRST. The eastern Cape Part 1 (Text!, various pages, and Part 2
(Appendices!, various pages, HRU Report No. 12/81, Hydrological Research
Unit, University of the Witwatersrand, Johannesburg, as well as Pitman,
W.V•• Middleton, B.J. and Midgley, D.C., 1981. Surface water resources
of South Africa, VOL VI: drainage regions UVWX. The eastern escarpment
Part 1 (Text), various pages, and Part 2 (Appendices), various pages, HRU
Report No. 9/81. Hydrological Research Unit, University of the
Witwatersrand. Johannesburg.
Note: li! HRU tertiary catchment W34 does not exist, while tertiary
catchment W46A is in Swaziland.
Table J9:
(ii) Parts of quaternary sub-catchments or individual quaternary subcatchments
themselves, may lie outside NatallKwaZulu. Readers
should consult maps showing the location of tertiary and quaternary
catchments, found in the above two references.
Cross reference of Department of Water Affairs and Forestry secondary·
drainage regions and Hydrological Research Unit (HRU! quaternary subcatchments
in Natal/KwaZulu.
Department of Water Affairs and HRU quaternary sub-catchment
Forestry secondary drainage region code number
W
W11 = 2111 W110 - Wl16
W12=2112 W131 - W136
W141 - W146
W151 -W157
W13=2113 W121 - W125
W21 = 2121 W211 - W217
W221 - W226
W231 - W239
W262
W22 = 2122 W241 - W248
W251 - W256
W261
W23 - 2123 . W263 - W267
W30 = 2130 W311 - W317
W321 - W326
W331 - W339
W351 - W354
W361 -W366