Floydian:
Spoiler:There are some things hidden in the register building at the cemetary, take a good look around.
Gusto:
Spoiler:Have you tried examining the map and clicking on the Wolfsprey location? That should get Howard to think about it giving you the Marked location clue, which you can then combine with The Tombs clue, not the Poer clue as I mentioned earlier, sorry about that.
If that doesn't work either, tell me which locations you've got available and what you've got in your inventory.