CROSS-SECTION, RELATIONSHIPS OF CANALS 

 TO NEARSURFACE ALTERATIONS 



PIPELINE CANAL AT Til 



IF 



10 _j 



5- 



It — 



-5 - 



•10 



Marsh Grass 



21 m 



\-ai;-;,'!m:3 



Trappers Ditch 

 Isolated Pond 



Animal Run \ 

 \ 



^5 r~.^ (70|f0 / .^.^I'^^^fe. ^ Act 



- 6 



- 3 



MARSH DEPOSIT 

 (peat & organic muck)I 



, wiiiiiiiiiiiiiiiiiiiiiiiiiiiiim. 



W.'L 



BAY OR LAKE FILL'' 

 (clay, sand & silt) 



— o m 



10. 

 5- 

 ft 0- 

 -5 

 -10 -I 



Marsh Grass 



/ Spoil Deposits 



CANAL - PR 



IT C< 



T 



Trappers Ditch 

 Isolated Pond 



MARSH DEPOSIT 

 Upeat & organic muc k) = ^ AS~.4j^ 



milllllllllllllllMMM, 



100 ft 



■ ■ ■ ' i i - 



25 m 



VERTICAL EXAG. 5X 



(?!«% . ?and 1 . silt) ////////////////// M , S , /// 

 OS Organic Sediment 

 MS Mineral Sediment 



- 6 



- 3 



- o m 



_-3 

 --6 



Figure 11. Diagrammatic cross sections illustrating changes in pipeline canal and spoil banks 

 during a 30-year period since construction. 



46 



