I'm leaning towards....
Someone might not have wanted another to find the gold.
( tease )
I've come to the conclusion - it all depends on where one
stands on - Tillicum = determines where east ridge will be.
If one is at top of mountain - east = left side
If one is at the bottom of mountain - east = right side.
What the give away here is....?
When they draw the road - it reveals what is where.
And.... contour elevation lines will also reveal.
Ridge road = correct ( atop of mountain )
Heino = correct
Jenny = correct
Bue zone = is a new zone
East Ridge =
opposite side ( interesting - eh ? )
East Ridge - elevation decreases into other valley.
All good.
Fits the model of - satalite maps .
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THIS IMAGE -
Mountain is positioned with increasing elevation.
All good.
Blue is now at the bottom.
East Ridge is now on west side.
Heino is at the top end.
Same as money pit.
Jenny is opposite side - real low
and where Grizzly is located.
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Found an older map - showing - Mountain Chief.
It's higher up than the - camp -
one can see the - squiggly road -
upper right where the - U - shape is = Mountain Chief
with black dot.
here's the link - all 3 images -
https://propertyfile.gov.bc.ca/reports/PF675500.pdf 
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SUM OF ALL THINGS ? This link i would say = has it right.
Road at top end
Camp at top
Heino lower left
East Ridge on right side
Jenny placed correctly
And... Grizzly properly placed.
This link map below = is a keeper
Own opinion -
https://propertyfile.gov.bc.ca/reports/PF675494.pdf What i think has happened is....
Maps and locations change... all depends on who
drew them and which way they looked at the claims.
From top down
From bottom up
It would explain why the - east ridge or other zones
changed when comparing each - map.
Cheers....