Nicholas Mills Sr. (23 November 1781 – 13 September 1862) was a prominent businessman in Richmond, Virginia. He built a 13 mile tramway known as the Chesterfield Railroad Company to connect the coal pits of Chesterfield County to the James River. He was at one time the owner of the Chesterfield Coal Pits and president of the Tredegar Iron Works. When he died in 1862 he is reported to have had $800,000 in gold.He was married to Sarah Payne Ronald (1788–1857) for 51 years. She was the daughter of attorney Andrew Ronald and first cousin of Dolley Madison. Wikipedia
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