original: between 1911 and 1913 , he was employed by his uncle in the office of the branch coalmines in west virginia .
simplifications: between 1911 and 1913 , he was working with his uncle in the office of the branch coalmines in west virginia . he worked for his uncle in the coalmines in west virginia from 1911 until 1913 . from 1911 to 1913 , he worked for his uncle in the branch coalmines office in west virginia . between 1911 and 1913 , he worked under his uncle in the office of the branch coalmines in west virginia . between 1911 and 1913 , he was employed by his uncle in the office of the branch coalmines in west virginia . between 1911 and 1913 he was employed by his uncle in the office of the branch coal mines in west virginia . between 1911 and 1913 , he worked for his uncle in the office of the branch coalmines in west virginia . his uncle employed him in the office of the west virginia branch coalmines between 1911 and 1913 .