Geographic Abbreviations and Acronyms
- ACCDTSAdvisory Committee On Canadian Digital Toponymic Services
- ACDAeronautical Charting Division (NOS)
- ACDDSAdvanced Cartographic Data Digitizing System
- ADACAllgemeiner Deutscher Automobil-Club
- ADARAirborne Data Acquisition and Registration
- ADDAAmerican Design Drafting Association
- ADEAutocad Data Extension
- ADEOSADvanced Earth Observing Satellite (Japan)
- ADEPTAlexandria Digital Earth Prototype
- ADFApplication Development Facility
- ADFGAlaska Department of Fish and Game's
- ADIAreas of Dominent Influence
- ADKArealdatakontoret
- ADLAlexandria Digital Library
- ADNRAlaska Department of Natural Resources
- ADOTArizona Department of Transportation
- ADOTPFAlaska Department of Transportation and Public Facilities
- ADPAutomated Data Processing
- AE2SAdvanced Engineering and Environmental Services, Inc.
- AECArchitecture, Engineering, Construction
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