01044cam a22002891i 4500 e 39000094 DLC 20260227111228.0 800423s1939 utu 000 0 eng e 39000094 (OCoLC)6236632 DLC WaU NIC DLC premarc TN155 .L4 Lewis, Robert Strong, 1882- Mining, the priceless heritage / by Robert Strong Lewis. Salt Lake City : Extension Division, University of Utah, 1939. 36 p. ; 23 cm. Bulletin of the University of Utah ; v. 29, no. 4 Third annual Frederick William Reynolds memorial lecture At head of title: Extension Division, University of Utah. Mineral industries. Mines and mineral resources. University of Utah. Extension Division. Frederick William Reynolds memorial lecture ; [no.] 3. University of Utah. Bulletin ; v. 29, no. 4. 21644 21644