northspur
northspur
northspur
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60 m of Glacio-marine clay<br />
and sand<br />
50m of Glacio-marine clay<br />
Ground elevation at Top of Spur<br />
50 m above sea level<br />
Reservoir level after river dammed<br />
10-15m of sand<br />
~17m below top of Spur<br />
150m of Sand & Gravel<br />
Aquifer<br />
BEDROCK<br />
Present upstream river level<br />
Elev 1 m above sea level<br />
Present downstream river Level<br />
~ 1m above sea level<br />
Dangerous<br />
Glacio-marine clays<br />
At 270m below top of Spur<br />
( - 220m below sea level)<br />
33