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Sadly, I've never learned how to post a screenshot, but both google and bing satellite images show very clearly that if you are going westbound on Hwy 43, you turn left at Goodwin Corner, crossing the eastbound lane, right onto Forestry Trunk Rd. It appears to be quite a wide, well-used gravelled swath, (but what appears to be gravel could be distortion from zooming in so close).
Now this is something that I can do and have been a little busy isolating where I think the exact spot (or near to) where Rene and Krystle were found. I will later on today/tomorrow do some screen shots of what you described above at the Goodwin Corner (I have done a satellite view so know what you are talking about). Here is the spot where our girls were found as near as I can determine:
The coordinates that you can put into Google maps is:
55° 7'52.93"N
118°11'18.66"W
And here is a screenshot of this exact coordinate marked with a yellow push pin.