WHAT DOES WOOD PELLET FUEL MEAN?

I'm informed I will likely have a lot more than I want, My response is I would prefer to have more than enough for 3 yrs than not have plenty of to complete one calendar year.I refurbished a fireplace mantel from 1910 that arrived out of a brownstone from the Higher West Facet in Manhattan. I might like to understand the stories it could explain to