Historical Bioarchaeology and DVI: Data Integraion of the Mississippi State Asylum Burial Sample and Archival Records NICHOLAS P. HERRMANN 1 , MICHELLE L. DAVENPORT 2 , AMBER M. PLEMONS 3 , GRANT L. HARLEY 4 , AUDREY D. SHAEFER 1 , MOLLY K. ZUCKERMAN 2 and WILLA R. TRASK 5 1 Department of Anthropology, Texas State University, 2 Department of Anthropology and Middle Eastern Cultures, Mississippi State University, 3 Department of Anthropology, Michigan State University, 4 Department of Geography and Geology, University of Southern Mississippi, 5 Department of Anthropology, Texas A&M University RESULTS A summary of the osteological and analyical assessments are provided, then the burial is examined relaive to the death ceriicate data. Dendrochronological Analysis: • Post-1926 burial date. The sample is a near cut date proile with good correlaion with the reference curve. Biological Proile: • Female (Phenice and other innominate characterisic all consistent) • Young Adult 18-30 (ADBOU point age of 22.2) • African Ancestry (cranial and dental average posterior probability of 0.70 with normal typicaliies for metric assessments; Herrmann et al., 2016) Isotopic Analysis: • Stronium: Using average county values for the water model provided by Batallie and Bowen (2012), Tooth #16 and 25 exhibit a consistent patern in the northeast porion of the state. This correlates well to the Black Belt Prairie, a subdivision of the East Gulf Coastal Plain physiogeographic province (shaded on maps above). This region is underlain by Selma Chalk formed from Upper Cretaceous marine deposits, providing a unique Sr signature. The range for tooth #16 does expand slightly and includes the central counies of Hinds, Rankin, and Warren. • Oxygen: The assignment models for both teeth are consistent with the Sr results, with higher posterior probabiliies towards the northern half of the state. Once again, the assay from #16 presents a more varied patern and does extend into the central regions of the state. Above are preliminary maps, the posterior probabiliies of the oxygen isosurface sill needs to be rescaled to unity. DISCUSSION Given the vast number of deaths at the asylum and the extensive death ceriicate records digitally available, the MSA sample provides an excellent oppportunity to atempt to link the skeletal record with known decedants. • If we simply use the biological proile and the dendrochronology data, we derive a list of 210 individuals from across the state. • Taking a conservaive approach and focusing on the oxygen values, which suggests residency in the northern half of the state, the number of potenial candidates reduces to 120 individuals. • Incorporaing the oxygen and stronium coverages for the northeastern corner of the state, our list reduces to 17 individuals. The mortality proile for this group is not dramaically diferent from the oxygen-only list. This efort clearly demonstrate the uility of using various data points to parse the candidate list of potenial paients at the MSA. In the future, we will build speciic posterior probability esimates for individuals from the death ceriicate database using the various parameters detailed here. ACKNOWLEDGEMENTS The authors would like thank the University of Mississippi Medical Center for their cooperaion and assistance on the overall project. We also want to thank Monica Warner for her assistance with IsoMAP. Finally, we would like to acknowledge the paients buried at the Mississippi State Asylum Cemetery. The remains recovered in 2012-2013 represent a small fracion of individuals who endured life in the asylum. REFERENCES can be provided on request INTRODUCTION The Mississippi State Asylum (MSA) Cemetery sample ofers a complex opportunity to assess insituional health paterns in post-reconstrucion Mississippi. Although the burials are unideniied, they are not unknown. Extensive admission, discharge, and death ceriicate records provide a layered demographic picture of the asylum community. These records provide a lising of most individuals who died at the facility (N≈10,000) and serve as the ante-mortem dataset within a Disaster Vicims Ideniicaion (DVI) framework for the unideniied recovered burials (n=66). Employing dendrochronology, skeletal biology proiles, and isotopic geochemistry, we assess the MSA sample within a DVI model. Ideniicaion is the ulimate goal, but an ancillary goal is to contextualize the limited burial sample. Candidate paient lists are derived from the DVI model based on biological proile and addiional isotopic and archaeological informaion. From individual burial candidate lists, health proiles will be generated from the death ceriicate records and used to build a composite health picture of the burial sample in relaion to the historical records. We present the results for Burial 1 for whom we have a dendrochronological coin date of post-1926 (near cut), a dental enamel stronium raio values for tooth #16 and #25 (0.709253 ± 0.000623 se and 0.709064 ± 0.000551 se, respecfully) and dental enamel carbonate δ180 value of -3.77‰ and 4.13‰ (VPDB) for these same teeth. Combining these data with a biological proile, we narrow the potenial paient list. Ideally, these eforts would lead to ideniicaion when combined with DNA analysis, but the candidate lists can also be examined to provide a richer understanding of the health challenges facing this insituionalized populaion. METHODS • Using available age and sex indicators, analyical methods are employed as proposed in Standards (Buikstra and Ubelaker 1994) as well as ADBOU (Milner and Boldsen 2012, 2016). • Ancestry is esimated using cranial and dental morphological traits as proposed by Hefner (2009), Edgar (2013), and Pilloud et al. (2014). • Bulk enamel from the lower central incisor (#25) and upper third molar (#16) is sampled for stronium analysis by Williams Radiogenic Isotope Geosciences Lab at Texas A&M University and phosphate and carbonate δ18O assessments at UCSC Stable Isotope Laboratory. Samples VPDB values were converted using Luz et al. (1984). • Assignment models for δ18O are then developed in IsoMAP (Bowen et al., 2017; IsoMap.org) for both teeth based on precipitaion and elevaion data. • Stronium coverages represent Mississippi county averages for the water model from Batallie and Bowen (2012). • Coin wood, sampled during excavaion, is prepared, polished, measured and then analyzed in the WinDendro program against the Mississippi Southern Pine reference chronology. • Death ceriicate records, transcribed by Mrs. Nan Harvey for MDAH, have been downloaded and imported into a database. In total, 4124 death ceriicates are examined, spanning from 1912 to 1935. Only paients who were designated as buried at the asylum cemetery and had a county of residence were examined as part of the study. ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! B42 B47 B55 B46 B33 B07 B39 B41 B56 B01 B32 B11 B09 B20 B04 B52 B43 B14 B40 B48 B65 B34 B57 B36 B30 B62 B18 B37 B59 B66 B05 B54 B06 B12 B28 B19 B24 B31 B51 B38 B03 B35 B45 B10 B29 B53 B17 B21 B08 B02 B63 B16 B23 B58 0 10 Meters Burial (Road Excavation) and Date No Data 1909 1922 1924 1926 1930 ± 0 10 0 50 100 Miles ± Legend Sr Coverage for B. 1 (#16) MS Counties Assignment Model B. 1 (#16) Posterior Value High : 0.0169999 Low : 0.00209846 0 50 100 Miles ± Legend Sr Coverage for B. 1 (#25) MS Counties Assignment Model B. 1 (#25) Posterior Value High : 0.0173931 Low : 0.00162682 CAUSE OF DEATH COUNT (18O) COUNT (18O and Sr) Pellagra 56 7 TB 33 3 Epilepsy 8 3 Maniacal Exhausion 7 2 General Paralysis of Insane 5 0 Pneumonia 3 1 Cerebral Hemorrhage 2 1 Demenia Praecox 2 0 Nephriis 2 0 Infecion-Childbirth 1 0 Vincent's Angina 1 0 Totals 120 17