What does WIH stand for?

State Historical Society of Wisconsin, Madison, WI - OCLC symbol (OCLC)

Water in Hole (SAUS)

Wik-Me'anha - Language code (ETLW)

Winch - NCIC firearms make code (NCIC)

Wishram, WA - Amtrak rail station code

Work in Hand (ILCA)