Whilst trawling the web for pictures of old-style coal yards just now, I came upon this jolly interesting PDF which others might find useful ...
SmallCoalMerchants-2.pdf
Here's a photo I took in the late 60's of the builder's merchant yard in Epsom I worked at. The bins containing sand were originally coal bins and the coal siding was behind where the bricks were stacked. (the rails were still there) The Pelican loader was I believe used to unload coal wagons.
Here's a photo of the same yard (at the bottom of the page) showing the the bins from the other side and some others in about 1948/9 scanned from a book called "A century and a qu