| In 1907 a spelunker named Aurel Stein discovered the frayed book and sent it to London, where well-intentioned conservators kept relining it with stiff modern papers. |
| For the curious spelunker, a field guide details each of the species. |
| An amateur spelunker, stooping to pocket a souvenir stone, began to reconsider the notion of a working subway tunnel east of Lexington Avenue as something other than a punch line about endless futility. |
| When news of white nose began to get around, a spelunker sent Hicks photographs that he had shot in Howe's Cave, in central New York. |
| Although Leo's father disappeared during an expedition when Leo was a child, Leo still wanted to follow in the family tradition and become a spelunker. |
| Long ago, when I was an active spelunker, it had occurred to me that radiocarbon techniques ought to be applicable to the dating of secondary deposits in limestone caves. |
