(1840). The coal and iron mines, of the Union Potomac Company, (incorporated by Virginia,) and of the Union Company, (incorporated by Maryland): Comprising upwards of fifty-six thousand acres of land, situate in Alleghany County, Maryland, and in Hampshire County, Virginia. [s.n.].
Chicago-Zitierstil (17. Ausg.)The Coal and Iron Mines, of the Union Potomac Company, (incorporated by Virginia,) and of the Union Company, (incorporated by Maryland): Comprising Upwards of Fifty-six Thousand Acres of Land, Situate in Alleghany County, Maryland, and in Hampshire County, Virginia. S.l: [s.n.], 1840.
MLA-Zitierstil (9. Ausg.)The Coal and Iron Mines, of the Union Potomac Company, (incorporated by Virginia,) and of the Union Company, (incorporated by Maryland): Comprising Upwards of Fifty-six Thousand Acres of Land, Situate in Alleghany County, Maryland, and in Hampshire County, Virginia. [s.n.], 1840.