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If the item currently exists in our website, it is displayed below. If not, the link that you are referencing is no longer valid and no longer exists on our website. We will have some collections moved in the coming months. See what's coming in updates for Signature Collections or Digital WHILBR Collections on ContentDM.
If the item currently exists in our website, it is displayed below. If not, the link that you are referencing is no longer valid and no longer exists on our website. We will have some collections moved in the coming months. See what's coming in updates for Signature Collections or Digital WHILBR Collections on ContentDM.
M. P. KEHOE, PRESIDENT. LOUIS F PLACK, VICE PRESIDENT H. C. HESS, TREASURER C. B. SANGER, SECRETARY, E. R. COOPER, GEN’L M’GR
ADDRESS ALL COMMUNICATIONS TO NEW YORK OFFICE
POTOMAC REFINING COMPANY
EXECUTIVE OFFICES NEW YORK 66 West 35TH ST.
GENERAL OFFICES BALTIMORE,MD. 213 COURTLAND ST.
BRANCH OFFICES GOVANS,MD. SUBURBAN BANK BLDG.
CABLE ADDRESS “PORECO” NEW YORK
QUARRYING AND REFINING
MARBLE, IRON, MANGANESE
LIME AND TRIPOLI
FLUXING, OCHRE
STONE, LIME