Eblen Cave, Eblen Cave Road, and Caney Creek are all in the community of Bradbury, which is along Buttermilk Road.
You can use this site to see where Caney Creek is:
http://geonames.usgs.gov/pls/gnispublic/f?p=116:1:2604873036...(there are 2 Caney Creeks in Roane County, it's the one in Bradbury)
The original Eblen holdings were several hundred acres (or thousands?), so narrowing it down a location may be difficult.