Sobrante Ridge Botanic Regional Preserve
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Sobrante Ridge Botanic Regional Preserve
Sobrante Ridge Regional Preserve (SRRP) is a regional park in Contra Costa County, California near Richmond and is part of the East Bay Regional Parks (EBRPD) system. The park preserves one of the few habitats of the Alameda manzanita, which is deemed extremely rare, according to EBRPD."Sobrante Ridge Regional Preserve." East Bay Regional Park District.
Accessed September 5, 2017.


History

The land on which SRRP lies was once part of the Rancho El Sobrante grant that the government of Mexico gave to Juan Jose Castro. Although the cited source gives 1840 as the date of the grant, several other sources say that the grant was made in 1841. The site was owned in more recent times by
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Contra Costa County, California
) of the San Francisco Bay , subdivision_type = Country , subdivision_name = United States , subdivision_type1 = State , subdivision_name1 = California , subdivision_type2 = Region , subdivision_name2 = San Francisco Bay Area , seat_type = County seat , seat = Martinez , parts_type = Largest city , parts = Concord (population and land area)Richmond (total area) , unit_pref = US , area_total_sq_mi = 804 , area_land_sq_mi = 715.94 , area_water_sq_mi = 81 , elevation_max_footnotes = , elevation_max_ft = 3852 , population_as_of = 2020 , population_footnotes = , population_total = 1,165,927 , population_density_sq_mi = 1629 , established_title ...
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Richmond, California
Richmond is a city in western Contra Costa County, California, United States. The city was municipal corporation, incorporated on August 7, 1905, and has a Richmond, California City Council, city council.East Shore and Suburban Railway Chronology
, ''El Cerrito Historical Society'', June 2007. Retrieved August 15, 2007.
Located in the San Francisco Bay Area's East Bay region, Richmond borders San Pablo, California, San Pablo, Albany, California, Albany, El Cerrito, California, El Cerrito and Pinole, California, Pinole in addition to the unincorporated area, unincorporated communities of North Richmond, California, North Richmond, Hasford Heights, Kensington, California, Kensington, El Sobrante, Contra Costa County, California, El Sobrante, Bayview-Montalvin Manor, Tara Hills, California, Tara ...
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East Bay Regional Park District
The East Bay Regional Park District (EBRPD) is a special district operating in Alameda County and Contra Costa County, California, within the East Bay area of the San Francisco Bay Area. It maintains and operates a system of regional parks which is the largest urban regional park district in the United States. The administrative office is located in Oakland. As of 2020, EBRPD spans with 73 parks and over of trails. Some of these parks are wilderness areas; others include a variety of visitor attractions, with opportunities for swimming, boating and camping. The trails are frequently used for non-motorized transportation such as biking, hiking, and horse riding. More than of paved trails (identified as Interpark Regional Trails) through urban areas link the parks together. History A destructive grass fire that broke out in Wildcat Canyon blew west into Berkeley on September 27, 1923, and burned down 640 structures, mostly homes. The East Bay Water Company was harshly criticize ...
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Regional Park
A regional park is an area of land preserved on account of its natural beauty, historic interest, recreational use or other reason, and under the administration of a form of local government. Definition A regional park can be a special park district covering a region crossing several jurisdiction boundaries, or a park system of a single jurisdiction, such as a province, county, or city. By country Canada Saskatchewan There are 101 regional parks in Saskatchewan. All parks are operated by volunteer boards. Italy Regional parks in Italy are administered by each region in Italy, a government unit like a U.S. state. Ireland Distinguished from National Parks in the Republic of Ireland, which are owned and run centrally by the state's National Parks and Wildlife Service, Ireland's regional parks are managed and operated by individual local authorities in Ireland. Examples include Ballincollig Regional Park (managed by Cork City Council), Millennium Regional Park (Fingal County Co ...
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Richmond, CA
Richmond is a city in western Contra Costa County, California, United States. The city was incorporated on August 7, 1905, and has a city council.East Shore and Suburban Railway Chronology
, '''', June 2007. Retrieved August 15, 2007.
Located in the 's region, Richmond borders
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Alameda Manzanita
''Arctostaphylos pallida'', commonly known as pallid manzanita, Oakland Hills manzanita, and Alameda manzanita, is an upright manzanita shrub from the Ericaceae, or heath family. It is endemic to the eastern San Francisco Bay Area of Northern California. Description ''Arctostaphylos pallida'' grows to around in height. The branches on the shrub are reddish or grayish (more reddish) and they have twigs that tend to be bristly. The ovate to triangular leaves are bristly, strongly overlapping and clasping. They are 1.0 to long and 0.8 to wide. The dense, white flowers are urn-shaped and 0.2 to long. The flowering period is from November to March. ''A. pallida'' commonly co-occurs with another manzanita species, brittle leaf manzanita ('' Arctostaphylos tomentosa'' ssp. ''crustacea''), but the latter is a burl-forming species with spreading leaves. ''A. pallida'' does not form burls. Distribution The species is found from in elevation, primarily on thin soils compose ...
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Cutter Laboratories
Cutter Laboratories was a family-owned pharmaceutical company located in Berkeley, California, founded by Edward Ahern Cutter in 1897. Cutter's early products included anthrax vaccine, hog cholera (swine fever) virus, and anti-hog cholera serum—and eventually a hog cholera vaccine. The hog cholera vaccine was the first tissue culture vaccine, human or veterinary, ever produced. The company expanded considerably during World War II as a consequence of government contracts for blood plasma and penicillin. After Edward Cutter's death, his three sons—Dr. Robert K. Cutter (president), Edward "Ted" A. Cutter Jr. (vice-president), and Frederick A. Cutter—ran the company. In the next generation Robert's son David followed his father as president of the company. The Bayer pharmaceutical company bought Cutter Laboratories in 1974.
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Alameda Manzanita
''Arctostaphylos pallida'', commonly known as pallid manzanita, Oakland Hills manzanita, and Alameda manzanita, is an upright manzanita shrub from the Ericaceae, or heath family. It is endemic to the eastern San Francisco Bay Area of Northern California. Description ''Arctostaphylos pallida'' grows to around in height. The branches on the shrub are reddish or grayish (more reddish) and they have twigs that tend to be bristly. The ovate to triangular leaves are bristly, strongly overlapping and clasping. They are 1.0 to long and 0.8 to wide. The dense, white flowers are urn-shaped and 0.2 to long. The flowering period is from November to March. ''A. pallida'' commonly co-occurs with another manzanita species, brittle leaf manzanita ('' Arctostaphylos tomentosa'' ssp. ''crustacea''), but the latter is a burl-forming species with spreading leaves. ''A. pallida'' does not form burls. Distribution The species is found from in elevation, primarily on thin soils compose ...
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Arctostaphylos Pallida
''Arctostaphylos pallida'', commonly known as pallid manzanita, Oakland Hills manzanita, and Alameda manzanita, is an upright manzanita shrub from the Ericaceae, or heath family. It is endemic to the eastern San Francisco Bay Area of Northern California. Description ''Arctostaphylos pallida'' grows to around in height. The branches on the shrub are reddish or grayish (more reddish) and they have twigs that tend to be bristly. The ovate to triangular leaves are bristly, strongly overlapping and clasping. They are 1.0 to long and 0.8 to wide. The dense, white flowers are urn-shaped and 0.2 to long. The flowering period is from November to March. ''A. pallida'' commonly co-occurs with another manzanita species, brittle leaf manzanita (''Arctostaphylos tomentosa'' ssp. ''crustacea''), but the latter is a burl-forming species with spreading leaves. ''A. pallida'' does not form burls. Distribution The species is found from in elevation, primarily on thin soils composed of ch ...
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Rancho El Sobrante
Rancho El Sobrante was a Mexican land grant in present-day Contra Costa County, California given in 1841 by Governor Juan Alvarado to Juan Jose Castro and Victor Castro. The name refers to a "surplus" in Spanish—the grant's boundaries were determined by the boundaries of the surrounding grants: San Antonio, San Pablo, El Pinole, La Boca de la Cañada del Pinole, Acalanes, and La Laguna de los Palos Colorados. This grant included the area between present day El Sobrante and Orinda. History Brothers Juan Jose Castro (1803–1869) and Victor Ramon Castro (1817–1897) were among the eleven children of Francisco María Castro (1775–1831) and María Gabriela Berreyesa (1780–1851). Francisco Castro had been a soldier at San Francisco, who after serving as alcalde and in other public offices, was granted Rancho San Pablo in 1823. Juan Castro and Victor Castro served in the San Francisco militia. Juan Alvarado, married María Martina Castro (1814–1875) in 1839, ...
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