Here's a very rough map, but it will get you around.  You asked about tools:  I would recommend a small shovel (fox hole type or similar), a large pry bar, a small, straight pry bar (say 24") and a small sledge (4lbs).  I've found it much easier, when working in a hole, to use the sledge and short bar to work the rock, and a small shove works easier than a full size one.  You often see a pick suggested, but a pick doesn't work nearly as well, in my opinion, as a large pry bar, which works the ground (rocks) with less shock and more accuracy.  The first trip I made there was with a full size shovel and a pick and it was murder.  A rock hammer would be handy but not critical, if you wanted to add another tool.
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