Books by J.T. Stark:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Stark, J.T. (John Thomas), 1885-: Geology and origin of South Park, Colorado (Geological Society of America, 1949), also by Geological Society of America (page images at HathiTrust)
Find more by J.T. Stark at your library, or elsewhere.