The Collaborative International Dictionary of English v.0.48:

mined \mined\ adj.
   extracted from a source of supply as of minerals from the
   earth. [Narrower terms: deep-mined; exploited;
   strip-mined]
   [WordNet 1.5]

WordNet (r) 3.0 (2006):

exploited
    adj 1: developed or used to greatest advantage [ant:
           undeveloped, unexploited]
    2: of persons; taken advantage of; "after going out of his way
       to help his friend get the job he felt not appreciated but
       used" [syn: exploited, ill-used, put-upon, used,
       victimized, victimised]