It seems to be a language issue. A 'landfill' is a trash dump, while 'land fill' is a form of reclamation. https://en.wikipedia.org/wiki/Land_reclamation http

It seems to be a language issue. A 'landfill' is a trash dump, while 'land fill' is a form of reclamation. https://en.wikipedia.org/wiki/Land_reclamation https://en.wikipedia.org/wiki/Land_reclamation