<P> The B&O Warehouse is a building in Baltimore, Maryland, adjacent to Oriole Park at Camden Yards . It was constructed by the Baltimore and Ohio Railroad (B&O) beginning in 1899, with later sections completed in 1905, adjacent to the B&O's Camden Station and freight yard at Camden and Eutaw streets . Often purported to be the longest brick building on the East Coast, the 1,116 - foot (340 m) long, eight - story brick structure had 430,000 square feet (almost 40,000 m2) of floor space for merchandise storage and distribution, large enough to hold 1,000 carloads of freight at a time, the B&O advertised . Railroad historian Herbert H. Harwood proclaimed it an "awesome structure...a truly classic turn - of - the - century railroad warehouse ." The warehouse was used by the B&O through the 1960s but was mostly vacant by the 1970s due to the use of trucks and newer, more efficient single - floor warehouses located in industrial parks elsewhere . </P> <P> With the development of the downtown stadium for the Orioles, which opened in 1992, the former B&O warehouse was converted to team offices, team spaces, and a private club for the Orioles . It is also used for private wedding receptions . </P>

How wide is the warehouse at camden yards
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