Site code PIT from Riese (2004); cited by Corpus of Maya Hieroglyphic Inscriptions (2012; 2016).
Location unverified, approximate coordinates after Andrews (1983b: fig. 1).

Andrews, Anthony P.
1983a Archäologische Untersuchungen in Quintana Roo. Mexicon 5(1): 3.
1983b Reconocimiento arqueológico de Tulum a Punta Allen, Quintana Roo. Boletin de la Escuela de Ciencias Antropológicas de la Universidad de Yucatán 11(61): 15–31.
Corpus of Maya Hieroglyphic Inscriptions (CMHI)
2012 Site Codes (updated July 2012). http://peabody.harvard.edu/files/cmhi/CMHI_SiteCodes_FINAL_2012_forWeb.pdf (by Barbara Fash). (accessed July 23, 2015)
2016 Site Codes (updated Februar 2016). https://www.peabody.harvard.edu/files/cmhi/CMHI_SiteCodes_FINAL_2016.pdf (by Barbara Fash). (accessed December 23, 2016)
Mayer, Karl Herbert
1999 Wandmalereien in den Maya Ruinen von Rancho Ina, Quintana Roo, Mexiko. Antike Welt 30(2): 113–122.
Riese, Berthold
2004 Abkürzungen für Maya-Ruinenorte mit Inschriften. Wayeb Notes 8. http://www.wayeb.org/notes/wayeb_notes0008.pdf (accessed July 23, 2015)