Children's Optimal Health (COH), a non-profit organization in Austin, Texas, is working with the Texas Advanced Computing Center (TACC) at The University of Texas at Austin to create a new technical infrastructure to improve child welfare. This technical infrastructure combines multiple sources of data with geospatial mapping technologies to identify child well-being trends related to maltreatment at the neighborhood level. The maps are based on health, education, social service, and other data. For COH, the goal is to identify health and well-being disparities, inform the community about variation in aspects of child well-being, and advocate . . .