The Nallin Farm Springhouse and Bank Barn are closely associated with the Nallin Farm House on the grounds of Fort Detrick, Maryland, US. The barn is a good example of a fieldstone-built bank barn with a byre on the lower level and an earth ramp on the opposite side providing access to a haymow.
The simple stone springhouse is the source of -acre Nallin Pond. The barn and springhouse were built .
The Nallin Farm Springhouse and Bank Barn was listed on the National Register of Historic Places in 1977.
The barn has a hay hood, as can be seen in the 14th of 17 photos included in the nomination.