Geographic Abbreviations and Acronyms
- SMIMSSingle MIM-Based Integrated Mapping System
- SMIPSSmall Interactive Image Processing System
- SMIRShuttle Multispectral Infrared Radiometer
- SMIRRShuttle Multispectral Infrared Radiometer
- SMMRScanning Multichannel Microwave Radiometer
- SMMTSubmilimeter Telescope
- SMNServicio Meteorologico Nacional
- SMOWStandard Mead Ocean Water
- SMPTSimple Mail Transfer Protocol
- SMSSynchronous Meteorological Satellite
- SMSAStandard Metropolitan Statistical Area
- SNSanctus
- SNARILSocial Natural and Agricultural Resources Information Laboratory
- SNBService New Brunswick
- SNCFSociete Nationale des Chemins de Fer
- SNDStreet Network Database
- SNFSuperior National Forest
- SNGMServicio Nacional de Geologia y Mineria
- SNISiemens Nixdorf Information Systems AG
- SNIDStartnode Id
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