Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Mammoth Cave National Park' has mentioned 'Sand' in the following places:
Occurrence Sentence Text Source
In the early 20th century, Floyd Collins spent ten years exploring the Flint Ridge Cave System (the most important legacy of these explorations was the discovery of Floyd Collins' Crystal Cave and exploration in Salts Cave) before dying at Sand Cave, Kentucky, in 1925.
While exploring Sand Cave, he dislodged a rock onto his leg while in a tight crawlway and was unable to be rescued before dying of starvation.