26 



Report on the Magnetic Survey. 



[No. 1. 







i m | 



© OQ 



Difference of 









■— ' © 



level. ■ 





Distance — in 

 metres. 











O oo 



© . 









d ,.„ 



> © 



•H © 









.S fcJD 



'-* Si 



~£ S-. 









<-d eg 



-£ -i* 



03 -jj 









ca -3 



"m ® 



fc>D © 









© '-' 

 P3 



o 3 













2 009 





Descendingparts 



221.82 



241.25 



0.346 



1.204 







7.761 



241.25 



274.96 



0.869 



0.681 







The water a- 



274.96 



309.73 



0.812 



0.738 



, 





bove forms dur- 



309.73 



332.47 



0.255 



1.295 



, , 





ing this season 



332.47 



361.17 



0.450 



1.100 







a lake, the depth 



361.17 



380.99 



0.816 



0.734 



. 





of which does 





Second ai 



in of water. 





. 





not alter so ra- 



380.99 



453.27 



Sand bank. 









pidly as the ri- 



453.27 



484.57 



1.929 



•♦ 



0.379 



ver. Ascending 

 parts 0.474 



484.57 



505.62 



1.645 



•• 



0.095 



Descendg. parts 

 0.499. 



505.62 



522.07 



1.051 



0.499 



.. 



. . 





Large 



mass of wj 



iter. See 



compass 







bearings. 













Eight 



shore from 



the water 



up to the 



Total of the 





high wate 



r mark. 







ascending parts 



0. 



8.4 



1.985 



a. <x> o 



0.435 



right shore 9.540. 



8.4 



11.3 



2.025 



£ "** *h 



0.475 



The basis of 



11.3 



14.22 



2.011 



S © 02 



0.461 



the masonry on 



14.22 



16.82 



2.152 



^2 &*"£ © 



0.602 



which the light 



16.82 



19.22 



2.148 



H^ « O. g 



0.598 



house stands is 



19.22 



21.52 



2.130 



§.2 g>? 



0.580 



just passed by the 



21.52 



22.62 



2.149 



£ * 1 2 



0.599 



highest water ; 



22.62 



44.99 



. , 



M i^i ^ n 



ffl JS.s 



5.79 



ht. found above 











water 9m. 41. 



No. 3.—, 



First some soundings were made from a small boat ; the boat not 

 being provided with an anchor the angular distance between two 

 objects on shore for ascertaining the exact place could not be taken 

 with sufficient accuracy. 



These points correct for depth are marked with dotted lines in 

 the plans. 



