The outdated earl's assets, the supply of his prosperity, as from his title the reader could have shrewdly guessed, was in collieries. Britannica Dictionary definition of Upkeep [noncount] one : the act of maintaining a thing or an individual: for instance a : the act of retaining assets or machines https://scented03345.wikibyby.com/688334/a_simple_key_for_body_unveiled