What's happened to all of Mansfield and Ashfield's former colliery sites?

It is not all that long ago that tens of thousands of men in Nottinghamshire worked down coal mines.
One of our areas oldest collieries, Pleasley was sunk in the 1870s by a company owned by William Edward Nightingale, father of famous nurse Florence Nightingale. 
Now it is a museum around the historic headstocks, with a nature reserve.One of our areas oldest collieries, Pleasley was sunk in the 1870s by a company owned by William Edward Nightingale, father of famous nurse Florence Nightingale. 
Now it is a museum around the historic headstocks, with a nature reserve.
One of our areas oldest collieries, Pleasley was sunk in the 1870s by a company owned by William Edward Nightingale, father of famous nurse Florence Nightingale. Now it is a museum around the historic headstocks, with a nature reserve.

Just a few years after the last of the pits closed and there is now almost no visible trace of the once-colossal infrastructure which once supported the industry. Your Chad has taken a look at what was there before, and what there is now on the sites of some of the area’s biggest former coal mines.