 The third of these platforms (R14) has an irregular shape "like a peanut" according to archaeologist Ricardo Vásquez.All of these platforms, circular or not, are thought to have been covered with conical shaped huts made out of organic materials that have decomposed without a trace.Las Mercedes is the home of two well-documented stone-paved roads, named The Iroquois Causeway and The Pocora Causeway for the present-day towns they lead towards from the main architectural complex of the site.