Bulletin . , et al., lessees, Oakville. This pros-pect is in Sec. 2, T. 6 N., R. 5 W., M. D. M., west of Yountville and 88 CALIFORNIA STATE MINING BUREAU. south of the La Joya mine. A little work has been done present lessees are planning to open it up. Bibl.: Cal. State Min. Bur., Keports X, p. 362; XIV, p. 291 jChapter rep. bien. period, 1913-1914, p. 119. Northern Light Prospect. Fr. Josh, owner, Lower Lake. It is about2| miles west of Knoxville, and near the Lake County line. Idle. Bibl.: Cal. State Min. Bur., Report XIV, p. 289; Chapter period. 1913-1914, p. 11
Bulletin . , et al., lessees, Oakville. This pros-pect is in Sec. 2, T. 6 N., R. 5 W., M. D. M., west of Yountville and 88 CALIFORNIA STATE MINING BUREAU. south of the La Joya mine. A little work has been done present lessees are planning to open it up. Bibl.: Cal. State Min. Bur., Keports X, p. 362; XIV, p. 291 jChapter rep. bien. period, 1913-1914, p. 119. Northern Light Prospect. Fr. Josh, owner, Lower Lake. It is about2| miles west of Knoxville, and near the Lake County line. Idle. Bibl.: Cal. State Min. Bur., Report XIV, p. 289; Chapter period. 1913-1914, p. 117; Bull. 27, p. 92. Oat Hill Mine (Napa Consolidated). E. J. Sittig, 1216 OxfordStreet, Berkeley, and R. P. Newcomb, 1052 E. 11th Street, Oakland,owners. E. J. Sittig and Earlbert Newcomb, Middletown, have leaseson the dumps for concentration; and IMurray Innes, Kohl Building,San Francisco, has taken a lease on the underground portions of themine. There are 17 claims in the group, all patented, lying at the. Photo No. 16. Dumps of low grade ore at Oat Hill Quicksilver Mine, Napa County, fromEureka, Osceola and Humboldt veins. junction of Sees. 27, 28. 33 and 34. T. 10 N., R. 6 W., M. D. M. (seeMap, Plate V), between James and Bucksnorter creeks, and 9 milessoutheast of Middletown. Elevation: 2250 (bar.) at the office. Thismine was for many years one of the important quicksilver producersof California, having been opened up in 1876 and operated contin-uously up to 1909. when it was closed by the Napa Consolidated com-pany as being Avorked out—at least, the ore had dropped below aprofitable working grade for the price at Avliich quicksilver was thenselling. The records shoAv a total output of 152,066 flasks from 1876to 1917 inclusive. The older worked ore slioots were on the ^Mercury and Manzanitaveins, the later developments being to the southwest and around on theother side of the ridge, on the Escape, Eureka, Humboldt and Osceolaveins. Though the ore was connected with the v
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