MSDISMissouri Spatial Data Information Service
MSDISMeasure Specific Dynamic Importance Sampling
MSDISMedical Society of Delaware Insurance Services
MSDISMaterial Safety Data Information System (online material safety data sheets system)
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Operating under the guidance of the Missouri Geographic Information System Advisory Committee, MSDIS is a spatial data retrieval and archival system for GIS data and is also responsible for data standardization, compilation of metadata, and statewide GIS user information networks (Missouri Spatial Data Information Service [MSDIS], 2011).