Neglected heritage of the Lake District

Greenside Mine probably opened in the 1700s and between 1825 and 1961 yielded 203 kilotonnes of lead and 57 tonnes of silver.  In the 1940s it was the largest producer of lead ore in Britain, but operations ceased in 1962.

Greenside Mine (and many others) were and are of huge social and economic relevance in the Lake District yet almost without exception this heritage is totally neglected and ignored and is being lost.  There seems to be little attempt by LDNP or anyone else to preserve what is left of this fascinating industrial period and no interpretation of anything on the ground (the only informative signs say keep out).  

Why is it that the agricultural heritage of the Lakes is so celebrated whilst the industrial heritage is just forgotten about?  

For more, see Wikipedia.