(1855). The charter and by-laws of the Mill Creek Coal Company of the Wyoming Coal Region, with reports on the geology and mining resources of their coal lands, together with supplementary remarks and extracts. Philadelphia: McLaughlin Bro.'s Book and Job Print. Establishment.

The Charter and By-laws of the Mill Creek Coal Company of the Wyoming Coal Region, With Reports On the Geology and Mining Resources of Their Coal Lands, Together With Supplementary Remarks and Extracts. Philadelphia: McLaughlin Bro.'s Book and Job Print. Establishment, 1855.

The Charter and By-laws of the Mill Creek Coal Company of the Wyoming Coal Region, With Reports On the Geology and Mining Resources of Their Coal Lands, Together With Supplementary Remarks and Extracts. Philadelphia: McLaughlin Bro.'s Book and Job Print. Establishment, 1855.