Sentence:  The answer to the question, “Are there any caves in Arizona?” was always the laconic “None to speak of,” with emphasis on the “to speak of.” This secrecy dovetailed with the cave conservation ethic promoted by the local caving <WSD>grotto</WSD>. 
Meaning of the word marked with <WSD> tags:  A local organization of cavers that typically organizes trips to caves and provides information and training for caving; a caving club.