public void enter(Miner miner){
		  //if the miner is not already located at the goldmine, he must
		  //change location to the gold mine
		  if (miner.getLocation() != Location.goldmine)
		  {
		    System.out.println(miner.getName() + " Walkin' to the goldmine");
		    miner.changeLocation(Location.goldmine);
		  }

	  }