https://rdrr.io/cran/PWFSLSmoke/man/US_52.html
US_52: US State Codes in PWFSLSmoke: Utilities for Working with Air Quality Monitoring Data
State codes for the 50 states +DC +PR (Puerto Rico)
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https://www.airfreshmarketing.com/blog/agency-partnership
Agency Partnership: Working With Air Fresh | Air Fresh Marketing
Agencies: extend your reach with our nationwide staffing network. Here's how to partner with Air Fresh Marketing.
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https://www.afcent.af.mil/News/Article/3589740/us-air-force-working-dog-demonstration-with-british-army/
U.S. Air Force working dog demonstration with British Army U.S. Air Forces Central News
U.S. Air Force Airmen assigned to the Central Command Area of Responsibility conduct a K-9 demonstration with British Army personnel at an undisclosed...
u sair forceworking dogbritish armydemonstration