![...](https://files.ingeniumcanada.org/items/coll/150/341/2004-1373-001-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1373.001
![...](https://files.ingeniumcanada.org/items/coll/150/342/2004-1373-002-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1373.002
![...](https://files.ingeniumcanada.org/items/coll/150/343/2004-1373-003-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1373.003
![...](https://files.ingeniumcanada.org/items/coll/150/344/2004-1373-004-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1373.004
![...](https://files.ingeniumcanada.org/items/coll/150/345/2004-1373-005-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1373.005
![...](https://files.ingeniumcanada.org/items/coll/150/346/2004-1373-006-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1373.006
![...](https://files.ingeniumcanada.org/items/coll/150/347/2004-1373-007-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1373.007
![...](https://files.ingeniumcanada.org/items/coll/150/348/2004-1373-008-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1373.008
![...](https://files.ingeniumcanada.org/items/coll/150/349/2004-1373-009-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1373.009
![...](https://files.ingeniumcanada.org/items/coll/150/350/2004-1373-010-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1373.010