This podcast is about the long march of Henry Knox and his men from Fort Ticonderoga in upstate New York to Dorchester Heights outside of Boston. Not only is the march itself discussed but the events leading up to it and it's impact as well.
Mulvihill, John, "A Noble Train of Artilery: Henry Knox and the Journey to Dorchester Heights" (2013). U.S. Experience to 1877 Podcasts. 41.