This dataset was collected with a Microscribe digitizer using the 3Skull program (http://statsmachine.net/software/3Skull/). UADY data was collected by MK Spradley. PCOME was collected by the PCOME, MK Spradley, NP Herrmann, ML Tise, FJ Baires, and additional PCOME and University of Tennessee researchers. OpID data was collected by OpID laboratory staff. Craniometric codes and definitions are found in Howells 1973 Cranial Variation in Man. Missing values are left as blanks. Sex: F = female M = male Sex Certainty: 1 = known sex, through positive identification or confirmed through DNA 3 = estimated from skeletal features, pelvis if present, cranium if pelvis absent.

{"references": ["Spradley, MK. (2013) Project IDENTIFICATION: Developing Accurate Identification Criteria for Hispanics. https://www.ncjrs.gov/pdffiles1/nij/grants/244194.pdf", "Spradley MK. (2016) Biological Distance, Migrants, and Reference Group Selection in Forensic Anthropology. In: Pilloud MA, and Hefner JT, editors. Biological Distance Analysis: Forensic and bioarchaeological perspectives: Academic Press.", "Chi-Keb JR, Albertos-Gonz\u00e1lez VM, Ortega-Mu\u00f1oz A, and Tiesler VG. (2013) A new reference collection of documented human skeletons from M\u00e9rida, Yucatan, Mexico. HOMO 64(5):366-376."]}

This dataset includes craniometric from unidentified and positively identified migrants from the Pima County Office of the Medical Examiner (PCOME) in Arizona, Operation Identification (OpID) within the Forensic Anthropology Center at Texas State, and documented Mexican data from Autonomous University of Yucatan (UADY).