HI
H
LL
Bodem.
11
Bodem.
Gemiddelde waterstand van het jaar.
Hoogteschaal 1 20.
Breedteschaal 2 m. M. 1 Maand.
I
I H j IHÏ11 IT! 1111 H I H i 111!_LLjJJ
Illlllllllllllllllllllllllllllllllllllllhllllllllllllllllllllllllllllllllljlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
j
LITH. J. SMULDERS Co., DEN HAAG.
3 M.
1-0
20
30
40
50
60
70
80
90
4 M.
10
20
30
40
50
60
70
80
90
5 M.
0 10 20 30 40 50 60 70 80 90IM. 10 20 30 40 50 60 70 80 902M. 10 20 30 40 50 60 70 80 903M.
