Baltimore Cycle SalvageAt the risk of being "that guy", Google is your friend in inquiries like this. On a quick check of "motorcycle salvage yards in MD", this was the first entry:
Welcome to A&J Cycle Salvage!
They're in Lester, PA, which may or may not be close to you, but they also do internet business. There's also a place in Baltimore called Baltimore Cycle Salvage (go figure, huh?), at 232 N Franklintown Rd, Baltimore, MD. There are others listed, but those are among the first couple on the search.