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Spenceville, California

Former populated places in CaliforniaFormer settlements in Nevada County, California

Spenceville was a ranching, farming and mining community located in the southwestern part of Nevada County, California, on Spenceville Road just east of Waldo Road, about 17 miles from Grass Valley. Its elevation was about 400 feet. The former townsite is now part of the Spenceville Wildlife Area.

Excerpt from the Wikipedia article Spenceville, California (License: CC BY-SA 3.0, Authors).

Spenceville, California
Spenceville Road,

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Wikipedia: Spenceville, CaliforniaContinue reading on Wikipedia

Geographical coordinates (GPS)

Latitude Longitude
N 39.114722222222 ° E -121.26833333333 °
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Spenceville Road

Spenceville Road

California, United States
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Round Tent, Yuba County, California

[1] Round Tent is a former settlement in Yuba County, California. It was located 1.25 miles (2.0 km) east-southeast of Waldo Junction.Round Tent was a hotel, stage stop, and mining camp, located in the East Bear River Township of Yuba County, California. It appears on the 1853 Canal map of Nevada County, the Township and County map of the central part of California of 1868, and on the 1887 official map of Yuba County, California, in Township 15N, Range 6E, Section 34. The Round Tent Hotel and Station was established in 1851, by Jonathan Edwards Slater and his wife, Caroline F. (Powers) Slater. Prior to this, in 1850, and part of 1851, stages from Sacramento to Nevada City crossed the Bear river at Johnson's (Ranch), and came up by way of Watson's on Dry creek, Trip's place, and the Empire Ranch. When the Round Tent was put up in 1851, the route was changed, going from Johnson's (Ranch) over the hills, by way of Penn Valley, and past Round Tent. Horses were changed at Round Tent Station, on the Slater Ranch.The Grass Valley Telegraph of 3 February 1854 wrote "Mr. and Mrs. Slater keep an excellent table and accommodations, and it is worth the time and expense of any one to ride down and spend a few days with this accommodating couple, who spare no time or effort in making their visitors comfortable."A post office operated at Round Tent from June 21, 1853, to November 12, 1860, of which J. E. Slater was postmaster.The Slaters Jonathan Edwards Slater was born in New York on 21 Aug 1820. He died on 20 March 1881 at Round Tent, Yuba County, California. Caroline F. Powers was born in New York on 26 January 1826. She died on 16 January 1917, at Oakland, Alameda County, California. They are buried together in the Roseville, Placer County, California Public Cemetery. They married on 2 January 1849, in Cook County, Illinois and the crossed the plains to California that year. They had no children. J. E. Slater was president of the Union Valley Quartz Mining Co. which held a meeting at Slater's Round Tent House, on Thursday, February 15, 1854.Mining Considerable surface mining was done here. Mining had been done in the vicinity since 1850, and the ground had paid well, but in consequence of the scarcity of water, that but little work had been done. The diggings at Round Tent are in a most prosperous condition, and those that are mining are realizing from eight to ten dollars each. The gold is coarse, and superior to any other gold seen for some time. It has the appearance of Sonora gold, and sells for $17.50 per oz.Few visible signs remain of the site, which is now located within the Spenceville Wildlife Area.

Englebright Dam
Englebright Dam

Englebright Dam is a 280 ft (85 m) high variable radius concrete arch dam on the Yuba River in the Sacramento River Basin, located in Yuba and Nevada counties of California, United States. It was put into service in 1941 by the United States Army Corps of Engineers. The dam was constructed in 1941 for the primary purpose of trapping sediment derived from anticipated hydraulic mining operations in the Yuba River watershed. Hydraulic mining in the Sierra Nevada was halted in 1884 but resumed on a limited basis until the 1930s during the great depression under the California Debris Commission. Although no hydraulic mining in the upper Yuba River watershed resumed after the construction of the dam, the historical mine sites continued to contribute sediment to the river. Today, Englebright Lake is used primarily for recreation and hydropower. Englebright Lake is nestled in the scenic Sierra foothills east of Marysville. Constructed for the storage of hydraulic gold mining debris, Englebright Dam is a concrete arch structure. It spans 1,142 feet (348 m) across and is 260 feet (79 m) high. The dam is in the steep Yuba River gorge known as the Narrows, holding back a 9-mile-long (14 km) lake with a surface area of 815 acres (3.30 km2; 330 ha). The lake is unique in that it offers boat-in camping only. The 70,000-acre-foot (86,000,000 m3) Englebright Reservoir provides water-based recreational benefits to the region and provides 45,000 acre-feet (56,000,000 m3) of stored water-right capacity, which is released each year through dam operations to benefit fish downstream. Water is also diverted for regional domestic and agricultural uses. Hydroelectric generation from water stored behind Englebright produces about 294 million kilowatt hours of energy each year, or enough for the annual energy needs for 50,000 homes.A new flow bypass system was installed in 2006 by the Yuba County Water Agency and Mitchell Engineering so that river flow requirements can be met during shut-downs of the Narrows II Powerhouse at the base of the dam. Narrows 1 Powerhouse is further downstream and smaller than Narrows 2 Powerhouse.