Coal Rider / Ridder (General)
Mine occupation
Ridder Person who rakes or rids coal down a steep working
Rider Attendant on an inclined plane
Geology
Rider (Earth Sciences / Geological Science) a thin seam, esp of coal or mineral ore, overlying a thicker seam
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Ἀριστοτέλης A Gloster & Hereford Boy in the Forest of Dean ><((((*>
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