Complex sentence: Version of a Maya ceramic timetable, adapted from a tourist booklet for Chichen Itza, 1984, based on Valliant's work from 1927, and modified from Smith's 1955 work at Uaxactun.
Split into simpler sentences: Version of a Maya ceramic timetable, adapted from a tourist booklet for Chichen Itza, 1984. This one is based on Valliant's work from 1927, and modified from Smith's 1955 work at Uaxactun.