What does GARI stand for?

Gauley River National Recreation Area - Summersville, WV - National Park Service designator (NPSD)

Goat Anti-Rabbit Immunoglobulin - Immunochemistry

Groupe d'Action Revolutionnaire Internationaliste - International Revolutionary Action Group - France - Political party (PD)

Grupo de Accion Revolucionaria Internacional - International Revolutionary Action Group - Spain - Political party