Sentence:  In an earlier paper, Aveni (1975) reported that, on the basis of measurements made with a surveyor's transit, three Central Mexican sites (<WSD>Tepozteco</WSD>, Tenayuca, and Tula) possess nearly the same orientation as Teotihuacan (15° 25′ E of N). 
Meaning of the word marked with <WSD> tags:  ("often with El") A temple on Tepozteco Mountain. (El Tepozteco)