galactus
Jan 28, 2010, 12:19 PM
And we're supposed to know what this refers to?
Unknown008
Jan 29, 2010, 09:01 AM
Do you mean hurricanes (or cyclones, typhoons, whatever you call it) on a meteorological map with isobars?
ebaines
Jan 29, 2010, 10:56 AM
I'm guesing that he's asking about symbols on a topographic map. Easy enough to simply Google and find how depressions are marked.