I'm doing a mod with a number of custom improvements, including a "Research Station". None of my custom improvements display art assets on the in-game map and I can't figure out why. They are functioning - my workers can build them at the appropriate tech, their yields work, etc. - but they don't display in the in-game map. Icons do display in the Strategic View. Code for one of them below: Code: <Improvements> <Row> <Type>IMPROVEMENT_RESEARCH_STATION</Type> <Description>TXT_KEY_EPOCHS_IMPROVEMENT_RESEARCH_STATION</Description> <Civilopedia>TXT_KEY_EPOCHS_IMPROVEMENT_RESEARCH_STATION_TEXT</Civilopedia> <ArtDefineTag>ART_DEF_IMPROVEMENT_TRADING_POST</ArtDefineTag> <PillageGold>5</PillageGold> <PortraitIndex>32</PortraitIndex> <IconAtlas>TERRAIN_ATLAS</IconAtlas> </Row> </Improvements> ArtDefineTag, PortraitIndex and IconAtlas are taken directly from the Trading Post improvement. If anyone needs more information for debug, I'll provide it, or you can get the full code from my Epochs mod: http://forums.civfanatics.com/showthread.php?p=11952750#post11952750 Anyone have any ideas what's going wrong?