Books by C. Clare Gregg:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Gregg, C. Clare: Reconnaissance and investigational drilling of Hoskinnini and Nokai mesas : San Juan County, Utah, and Navajo County, Arizona (Grand Junction, Colorado : U.S. Atomic Energy Commission, Exploration Division, GJOO, 1952., 1952), also by U.S. Atomic Energy Commission. Division of Raw Materials (page images at HathiTrust)
Find more by C. Clare Gregg at your library, or elsewhere.