What does WKM stand for?

Hwange National Park - Zimbabwe - Airport symbol (OAG)

State University of New York, Agricultural and Technical College, Cobleskill, Cobleskill, NY - OCLC symbol (OCLC)

Waikiki Marine - NCIC boat manufacturer code (NCIC)

Wankie Game Reserve - Zimbabwe - Airport symbol (AD)

Workman - Telegraphy (PCTE)