You could almost argue SPI and IND too, since I agree with Drak's set between your two choices, but Creative gives extra culture, and faster cultural buildings. For the Anasazi, their culture does not stick out to me, what stick out to almost everyone is their pueblos, and insdustrious really represents that the most
Anyway here is one set up buttons/flag. I placed two buttons, one is a bit lighter in the middle of the symbole