Complex sentence: El Orcoquisac Archeological District, a registered U.S. historic site located near Galveston Bay in present-day Wallisville, Texas, preserves an important Spanish presidio and trading center as well as an important settlement for the Akokisa and Bidai tribes that once inhabited the area.
Split into simpler sentences: El Orcoquisac Archeological District is a registered U.S. historic site located near Galveston Bay in present-day Wallisville, Texas. The site preserves an important Spanish presidio and trading center as well as an important settlement for the Akokisa and Bidai tribes that once inhabited the area.