The Five Sisters , Westwood Bing

taken from oakbank bing
The shale bings of West Lothian are large heaps of spoil, .the waste material from an industrial process to retort crude oil (paraffin) from deep mined oil-bearing shale. The process was developed and patented by James "Paraffin" Young in 1851 and for a few years Scotland was the major oil-producing nation of the world