Carl Sandburg College, LRC, Galesburg, IL - OCLC symbol (OCLC)
Cocoa, FL - Location identifier - FAA (FAAL)
Increased Hazard Rate
Incremental Heat Rate (FERC)
Infrared Heterodyne Radiometer
Institute for Historical Research
Institute for Historical Review (EA)
Institute of Horticultural Research - Research center - British (IRC)
International Health Regulations
International Health Resources - Commercial firm
International Heart Relief (SAUO)
Internet Health Resources (SAUO)
Intrahepatic Resistance - Medicine (MAE)
Intrinsic Heart Rate - Cardiology
Ishihara - Japan - Seismograph station code, US Geological Survey - Closed (SEIS)
WMT Boat Works, Taunton, MA - Manufacturer code for watercraft hull identification number (USCG)