Geology of the Covelo District, Mendocino County, California
Illustrated with b/w photos, maps & charts. Berkeley: University of California Press, 1940. Small 4to. Wraps. 119-142 p. University of California Publications, Bulletin of the Department of Geologial Sciences, Vol. 25, No. 2. 1st edition. [107125]
![107125] Geology of the Covelo District, Mendocino County, California. Samuel G. CLARK](https://bibliomania-ws.cdn.bibliopolis.com/images/noimage.png?auto=webp)