All filled in now, this raised area is where the hopper cars dumped their loads to fill coaling tower. What looks like an access road is where railway siding used to be.
Scanned from Ian Wilson's book Steam through Northern Ontario showing Washago coaling tower when it was still active. In photo you can see raised siding that ran beneath coaling tower which was for incoming hopper cars loaded with coal. In plan drawing you can see where siding ran back to main li