408 REPORTS ON THE STATE OF SCIENCE, ETC. 
APPENDIX D (4) (c). 
TABLE 
ACCOMPANYING SuUB-MEMORANDUM D (4). 
By H. Nimmo, 
The original table gives for each place and authority on fifty rivers :— 
(1) Normal summer flow. 
(2) Area of gathering ground. 
(3) Minimum flow and month of occurrence. 
(4) Method of gauging and remarks. 
The following abridged table gives the areas and the normal summer 
flow and minimum flow in cusecs per thousand acres. 
Normal es 
P Thousand Minimum 
River (and County). Alves! peer ico Method. 
ow. 
Cusecs | Cusecs 
per 1,000 | per 1,000 
Acres. Acres. 
Aire (Yorks) . ; : — — — Weir 
ae Me : 5 , 244 2°9 1°3 Floats 
x > f : ; 298 Lg ov! Weir 
Avon (Hants) . : : 416 1°5 0°4 Meter 
» (Wilts) . ; ; 403 ad 0°2 Weir 
Calder (Yorks) ; ; 181 1°8 0°6 Floats 
sy : 206 1°4(av.) o0°8 Weir 
»> (Lancs) 57 i: 5 o'5 Weir 
» (Yorks) ‘ 101 3°8 O°5 Weir 
Colne ae - ; 57 1'9 o'7 Weir 
Dee (Cheshire) : E 439 2:1 0°6 Weir 
Derwent (Derby) . é 270 1°8 0°7 Weir 
~ ‘ 300 2°9 I°5 Meter 
Don (Yorks) . : ; gI 3°4 1°2 Weir 
Eden (Cumbd.) : ; 640 1°3 0'6 —_— 
Exe (Devon) . : ; 412 I'l 0°6 Weir 
Irwell (Lancs) : ‘ 199 06 o°4 Weir 
Nene (Northants) . ci 403 o'5 0°3 Floats 
Severn (Worcester) . . | 1,046 o'5 0°3 — 
»,  (Salop) 2 F 704. 0-7 o'5 Floats 
Taff (S. Wales) ; : 125 2°2 1°6 Floats 
Taf Fechan (Wales) . : 25 2°1 o's — 
Tame (Cheshire) . F 22 3°9 2°0 Weir 
Thames (Oxford) . : 672 o'8 ovr Floats 
Trent (Derby and Staffs) . 704, 1°2 o'2 Weir 
Tone (Somerset) . g 83 °'9 o'4 — 
Welland (Lincoln) . 5 137 o-2 o'r Floats 
Witham s3 - : 38 O°4 o'r Sluice gates 
