![...](https://files.ingeniumcanada.org/items/coll/150/358/2004-1374-001-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1374.001
![...](https://files.ingeniumcanada.org/items/coll/150/359/2004-1374-002-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1374.002
![...](https://files.ingeniumcanada.org/items/coll/150/360/2004-1374-003-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1374.003
![...](https://files.ingeniumcanada.org/items/coll/150/361/2004-1374-004-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1374.004
![...](https://files.ingeniumcanada.org/items/coll/150/362/2004-1374-005-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1374.005
![...](https://files.ingeniumcanada.org/items/coll/150/363/2004-1374-006-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1374.006
![...](https://files.ingeniumcanada.org/items/coll/150/364/2004-1374-007-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1374.007
![...](https://files.ingeniumcanada.org/items/coll/150/365/2004-1374-008-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1374.008
![...](https://files.ingeniumcanada.org/items/coll/150/366/2004-1374-009-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1374.009
![...](https://files.ingeniumcanada.org/items/coll/150/367/2004-1374-010-aa-cs_thumb.jpeg)
Rule, plotting elevation
2004.1374.010