Centers for Disease Control and Prevention/ Agency for Toxic Substances and Disease Registry/ Geospatial Research, Analysis, and Services ProgramSee complete documentation here: http://gis.cdc.gov/grasp/svi/SVI2018Documentation.pdf. For additional questions, contact the SVI Lead at SVI_Coordinator@cdc.gov.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/532a40bce17d49d2914eb7c0b8b9ded9_0engMaryland iMapPublicSVI2018 VIRGINIA tract [Maryland]Web servicesMarylandLast Modified: 2021-03-16