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Walnut Creek (Contra Costa County)
The Walnut Creek mainstem is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed October 20, 2020 northward-flowing stream in northern California. The Walnut Creek watershed lies in central Contra Costa County, California and drains the west side of Mount Diablo and the east side of the East Bay Hills. The Walnut Creek mainstem is now mostly a concrete or earthen flood control channel until it reaches Pacheco Creek on its way to Suisun Bay. Walnut Creek was named for the abundant native Northern California walnut trees (''Juglans hindsii'') which lined its banks historically. The city of Walnut Creek, California was named for the creek when its post office was established in the 1860s. History There are three bands of Bay Miwok Native Americans associated with early Walnut Creek, the stream for which the city of Walnut Creek is named: the Saclan, whose territory extended through the hills east of present-day Oakland, ...
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North American Beaver
The North American beaver (''Castor canadensis'') is one of two Extant taxon, extant beaver species, along with the Eurasian beaver (''Castor fiber''). It is native to North America and has been introduced in South America (Patagonia) and Europe (primarily Finland and Karelia). The North American beaver is one of the national symbols of Canada and the official state mammal of Oregon and New York (state), New York. North American (Canadian) beavers are widespread across the continental United States, Canada, southern Alaska, and some parts of northern Mexico. In Canada and the United States, the North American beaver is often referred to simply as "beaver", although this can cause some confusion because another distantly related rodent, ''Aplodontia rufa'', is often called the "mountain beaver". Other vernacular names, including American beaver and Canadian beaver, distinguish this species from the other Extant taxon, extant beaver species, ''Eurasian beaver, Castor fiber'', which ...
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Stream
A stream is a continuous body of water, body of surface water Current (stream), flowing within the stream bed, bed and bank (geography), banks of a channel (geography), channel. Depending on its location or certain characteristics, a stream may be referred to by a variety of local or regional names. Long, large streams are usually called rivers, while smaller, less voluminous and more intermittent river, intermittent streams are known, amongst others, as brook, creek, rivulet, rill, run, tributary, feeder, freshet, narrow river, and streamlet. The flow of a stream is controlled by three inputs – surface runoff (from precipitation or meltwater), daylighting (streams), daylighted subterranean river, subterranean water, and surfaced groundwater (Spring (hydrology), spring water). The surface and subterranean water are highly variable between periods of rainfall. Groundwater, on the other hand, has a relatively constant input and is controlled more by long-term patterns of pr ...
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Orinda, California
Orinda is a city in Contra Costa County, California, United States. The city's population as of the 2020 United States census, 2020 census is estimated at 19,514 residents. History Orinda is located within four Mexican land grants: Rancho Laguna de los Palos Colorados, Rancho Acalanes, Rancho El Sobrante and Rancho Boca de la Cañada del Pinole. The area was originally rural, mainly known for ranching and summer cabins. The Moraga Adobe was built in 1841, and is the oldest building in the East Bay. In the late 19th century, the land was named by Alice Marsh Cameron, probably in honor of the poet Katherine Philips, who was also known as the "Matchless Orinda". In the 1880s, United States Surveyor General for California Theodore Wagner built an estate he named Orinda Park. The Orinda Park post office opened in 1888. The post office's name was changed to Orinda in 1895. Orinda was also the site of Bryant Station, a stop on the failed California and Nevada Railroad around the tur ...
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Walnut Creek From The Iron Horse Trail
A walnut is the edible seed of any tree of the genus ''Juglans'' (family Juglandaceae), particularly the Persian or English walnut, ''Juglans regia''. They are accessory fruit because the outer covering of the fruit is technically an Involucral bract, involucre and thus not morphologically part of the carpel; this means it cannot be a drupe but is instead a drupe-like nut. After full ripening, the husk, shell is discarded, and the kernel is eaten. Nuts of the eastern black walnut (''Juglans nigra'') and butternuts (''Juglans cinerea'') are less commonly consumed. Description Walnuts are the round, single-seed Drupe, stone fruits of the walnut tree. They ripen between September and November in the northern hemisphere. The brown, wrinkly walnut shell is enclosed in a husk. Shells of walnuts available in commerce usually have two segments (but three or four-segment shells can also form). During the bumming process, the husk becomes brittle and the shell hard. The shell encl ...
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Rancho Arroyo De Las Nueces Y Bolbones
Rancho Arroyo de Las Nueces y Bolbones (also called "San Miguel") was a Mexican land grant in present-day Contra Costa County, California given in 1834 by Governor José Figueroa to Juana Sanchez de Pacheco. The grant was named after the principal waterway, ''Arroyo de las Nueces'' (Walnut Creek), and for the local group of indigenous Americans (known as ''Bolbones'' in Spanish, also known as ''Volvon''). The grant was on the western slope of Mount Diablo and includes the area of the present-day city of Walnut Creek. Approximately a quarter of the original rancho has been protected since the early 20th century within the boundaries of Mt. Diablo State Park. History Juana Lorenza Sanchez de Pacheco (1776–1853) was the widow of Miguel Antonio Pacheco (1745–1829), a soldier. He was the son of Juan Salvio Pacheco (1729–1777) and Maria Carmen del Valle, who came to San Francisco in 1776 with the De Anza Expedition. He was a cousin of Salvio Pacheco, founder of Concor ...
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Danville, California
The Town of DanvillePronounced is located in the San Ramon Valley in Contra Costa County, California, United States. It is one of the List of municipalities in California, incorporated municipalities in California that use "town" in their names instead of "city". The population was 43,582 at the 2020 United States census, 2020 census. Since 2018, for five consecutive years, Danville was named "the safest town in California". The Iron Horse Regional Trail runs through Danville. It was first a railroad that has been converted to a corridor of bike and hike trails as well as controlled intersections. Extending from Livermore, California, Livermore to Concord, California, Concord, the trail passes through Danville. * (John) Baldwin Elementary School * Del Amigo High (Continuation) * Diablo Vista Middle School * Creekside Elementary School * Green Valley Elementary School * Greenbrook Elementary School * Los Cerros Middle School * Montair Elementary School * Monte Vista High Sc ...
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Moraga, California
Moraga is a town in Contra Costa County, California, United States. Located in the San Francisco Bay Area, the town is named in honor of Joaquín Moraga, member of the famed Californio family. As of 2020, Moraga had a total population of 16,870 people. Moraga is the home of Saint Mary's College of California. History The land now called Moraga was first inhabited by the Saklan people, who belonged to the Bay Miwok language group. Joaquin Moraga was the grandson of José Joaquín Moraga, builder of the Presidio of San Francisco and founder of the pueblo that grew into the city of San Jose. Joaquin's father Gabriel Moraga was also a soldier, and an early explorer who named many of the state's rivers, including the Sacramento and San Joaquin. Moraga is located on the 1835 Mexican Land Grant Rancho Laguna de los Palos Colorados given to Joaquin Moraga and his cousin, Juan Bernal. Part of that grant was the property today known as Moraga Ranch. The Moraga Adobe has been ...
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Lafayette, California
Lafayette (formerly La Fayette) is a city in Contra Costa County, California, United States. As of 2020, the city's population was 25,391. It was named after the Marquis de Lafayette, a French military officer of the American Revolutionary War. Pronunciation The pronunciation of the "''fay''" in Lafayette can vary among local residents. Common pronunciations include: * (rhymes with the word "fee") * (rhymes with the words "eye" and "bye") * (rhymes with the word "pay") History Before the colonization of the region by Spain, Lafayette and its vicinity were inhabited by the Saclan tribe of the indigenous Bay Miwok. Ohlone also populated some of the areas along Lafayette Creek.''Draft Environmental Impact Report for the East Area Service Center'', Earth Metrics Incorporated, prepared for the East Bay Municipal Utility District, May 1989 The indigenous inhabitants' first contact with Europeans was in the late 18th century with the founding of Catholic missions in t ...
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Rossmoor, Walnut Creek, California
Rossmoor is a gated community in Walnut Creek, California, Walnut Creek, California, with a population of about 9,200. It was one of the first "active adult" communities for residents 55 years or older in the San Francisco Bay Area. History In the 1930s, Scottish-American industrialist Robert Dollar, Stanley Dollar constructed an estate in Tice Creek Valley near Walnut Creek in Contra Costa County, where the Dollar family bred Hereford (cattle), Hereford cattle and raised show horses. The estate expanded from to . In 1960, Dollar's son, Robert Dollar, R. Stanley Dollar Jr., sold the estate to Ross W. Cortese, owner of development company Rossmoor Corporation. Cortese had previously been involved in the development of a different community also called Rossmoor, California, Rossmoor in Orange County, California, Orange County. Cortese initially planned to develop the Walnut Creek Rossmoor as a Leisure World (other), Leisure World community, but abandoned this plan ...
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Oakland, California
Oakland is a city in the East Bay region of the San Francisco Bay Area in the U.S. state of California. It is the county seat and most populous city in Alameda County, California, Alameda County, with a population of 440,646 in 2020. A major West Coast of the United States, West Coast port, Oakland is the most populous city in the East Bay, the third most populous city in the Bay Area, and the eighth most populous city in California. It serves as the Bay Area's trade center: the Port of Oakland is the busiest port in Northern California, and the fifth- or sixth-busiest in the United States. A charter city, Oakland was municipal corporation, incorporated on May 4, 1852, in the wake of the state's increasing population due to the California gold rush. Oakland's territory covers what was once a mosaic of California coastal prairie, California coastal terrace prairie, oak woodland, and north coastal scrub. In the late 18th century, it became part of a large ''rancho'' grant in the c ...
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Bay Miwok
The Bay Miwok are a cultural and linguistic group of Miwok, a Native Americans in the United States, Native American people in Northern California who live in Contra Costa County, California, Contra Costa County. They joined the Franciscan mission system during the early nineteenth century, suffered a devastating population decline, and lost their language as they intermarried with other native California ethnic groups and learned the Spanish language. The Bay Miwok were not recognized by modern anthropologists or linguists until the mid-twentieth century. In fact, Alfred L. Kroeber, father of California anthropology, who knew of one of their constituent local groups, the Saklan tribe, Saklan (Saclan), from nineteenth-century manuscript sources, presumed that they spoke an Ohlone languages, Ohlone ( Costanoan) language. In 1955 linguist Madison Beeler recognized an 1821 vocabulary taken from a Saclan man at Mission San Francisco de Asís, Mission San Francisco as representative ...
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Northern California Walnut
''Juglans hindsii'', commonly called the Northern California black walnut and Hinds's black walnut, is a species of walnut tree native to the western United States (California and Oregon). It is commonly called claro walnut by the lumber industry and woodworkers, and is the subject of some confusion over its being used as rootstock for English walnut. Description ''Juglans hindsii'' is a large tree that grows up to tall and may reach over with enough shade. The species normally has a single erect trunk, commonly without branches in the lower half of the tree, and a crown that can be wider than the tree is tall. Trunks may reach in diameter near the base of the tree. The leaf is approximately long, with 13–21 leaflets per leaf, each long, with dentate margins. The vein axils bear tufts of hair underneath, differentiating the species from the Southern California walnut. The species is monoecious, with male flowers in yellow-green catkins up to long and females stemming ...
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