@AriochIV: Love your Analyst page! Noticed that you didn't have the icon for Cows; I think they are shown in the Middle Age screen shot - there is one east of Corinth. Also, in the same screen shot there is confirmation of the marble/quarry improvement (3xSW, 2xW of Argos).
In that same image there are two tiles with unique art: the geyser (Old Faithful?) just above the "NEXT TURN" bar; and the marsh/lake w/ island tile 2 east from Argos.
Again, in the Middle Age screen shot, there are two resources in the lower left near Kufah which I cannot identify: the square white-ish one in the hills (SE and 2xW of Kufah); and the brownish one (W NW of Kufah). The latter is improved with a plantation - wine or spices, maybe?
Also of note: Trading Posts can built in hills and marshes (Vienna, Kufah); farms can be built in hills and marshes, too (Vienna, Argos) - a little more flexible than Civ IV.