Charters of the Union Potomac Company and the New Creek CompanyUnion Potomac Company · First published 1853Open the Tome
The coal and iron mines of the Union Potomac Company, incorporated by Virginia, and of the Union Company, incorporated by MarylandUnion Potomac Company. · First published 1840Open the Tome
Charters of the Union Potomac Company and the Union Company with a letter addressed to Duff GreenUnion Potomac Company · First published 1836Open the Tome
Charters of the Union Potomac Company, and the Union CompanyCharles Kinsey, Union Potomac Company, Union Company, Virginia, Maryland · First published 1836Open the Tome
