In 1985, Steve Knutson – editor of the National Speleological Society (NSS) publication American Caving Accidents – made the following distinction: …Note that I use the term 'spelunker' to denote someone untrained and unknowledgeable in current exploration techniques, and 'caver' for those who are.
En 1985, Steve Knutson (editor do American Caving Accidents) fixo a distinción seguinte: Notade que uso o termo "spelunker" para referirme a alguén non adestrado e descoñecedor das técnicas modernas de exploración, e "caver" para aqueles que o son.