Browns Island (Contra Costa County)

The Columbia Steel Company, sometimes shortened to Columbia Steel, is an American steel company headquartered in the state of Oregon. It had its origins in 1901, but did not officially organize under its current name until 1909.

Winter Island (also known as Ruckels Island) is a 453-acre (183 ha) island in Suisun Bay, in the western Sacramento-San Joaquin River Delta. It is north of Pittsburg, separated from Browns Island to the west by a slough. It was private property, and contained one house. It is used as a duck hunting area, a wetland, and a dredging disposal area. In 2016 Winter Island was purchased by the California Department of Water Resources in order to restore the island as a tidal marsh. Winter Island is part of Contra Costa County, and managed by Reclamation District 2122. It is shown, labeled "Ruckels Island", on an 1850 survey map of the San Francisco Bay area made by Cadwalader Ringgold and an 1854 map of the area by Henry Lange.In 2009, Brusco Tug and Barge, a tugboat company, pled guilty to illegal dredge dumping near the island between 2003 and 2007. In 2014, a large wildfire broke out on the island.

Pittsburg Marina is a marina situated at the confluence of the Sacramento and San Joaquin Rivers in Pittsburg, California.The Marina is owned and operated by the City of Pittsburg, and serves as the "Gateway to the Delta", providing access to the San Francisco Bay. The Marina, located north of downtown Pittsburg, offers 575 berths, 274 of which are covered.Surrounded by extensive marshes, Browns Island is located across New York Slough from the Marina.

The California Theatre is a historic theatre located in Old Town Pittsburg, Callifornia.

Pittsburg is a city in Contra Costa County, California, United States. It is an industrial suburb located on the southern shore of the Suisun Bay in the East Bay region of the San Francisco Bay Area, and is part of the Sacramento–San Joaquin River Delta area, the Eastern Contra Costa County area, and the San Francisco Bay Area. The population was 76,416 at the 2020 United States Census.

Cornwall, formerly known as Cornwall Station, was an unincorporated community in Contra Costa County, California, before it was absorbed into the City of Pittsburg. It was located 7.25 miles (11.67 km) east-southeast of Baypoint and 1 mile (1.6 km) south of downtown Pittsburg, at an elevation of 39 feet (12 m) ASL.The area appears to have been named after Pierre Barlow Cornwall, an early California pioneer and president of the Black Diamond Coal Mining Company at nearby Nortonville, California from 1872 to 1904. Cornwall sprung up at the intersection of two railroads, the Black Diamond Coal Mining Railroad and the San Pablo and Tulare Railroad (the latter became part of the Southern Pacific system in 1888). The coal railroad crossed the San Pablo and Tulare line using an overhead trestle.A post office operated at Cornwall Station from 1881 to 1888. Cornwall post office operated from 1890 to 1911.The Cornwall area, together with the nearby town of Black Diamond, was officially renamed "Pittsburg" on February 11, 1911, which may explain why the Cornwall Post Office stopped operations in that same year.

Pittsburg High School in Pittsburg, Contra Costa County, California, United States, is a suburban school serving Pittsburg. It has been in operation since 1924. Over 3,000 students attend the school. It is a part of the Pittsburg Unified School District. Pittsburg High School teaches grades 9–12.

The Sacramento River (Spanish: Río Sacramento) is the principal river of Northern California in the United States and is the largest river in California. Rising in the Klamath Mountains, the river flows south for 400 miles (640 km) before reaching the Sacramento–San Joaquin River Delta and San Francisco Bay. The river drains about 26,500 square miles (69,000 km2) in 19 California counties, mostly within the fertile agricultural region bounded by the Coast Ranges and Sierra Nevada known as the Sacramento Valley, but also extending as far as the volcanic plateaus of Northeastern California. Historically, its watershed has reached as far north as south-central Oregon where the now, primarily, endorheic (closed) Goose Lake rarely experiences southerly outflow into the Pit River, the most northerly tributary of the Sacramento. The Sacramento and its wide natural floodplain were once abundant in fish and other aquatic creatures, notably one of the southernmost large runs of chinook salmon in North America. For about 12,000 years, humans have depended on the vast natural resources of the watershed, which had one of the densest Native American populations in California. The river has provided a route for trade and travel since ancient times. Hundreds of tribes sharing regional customs and traditions have inhabited the Sacramento Valley, first coming into contact with European explorers in the late 1700s. The Spanish explorer Gabriel Moraga named the river Rio de los Sacramentos in 1808, later shortened and anglicized into Sacramento. In the 19th century, gold was discovered on a tributary of the Sacramento River, starting the California Gold Rush and an enormous population influx to the state. Overland trails such as the California Trail and Siskiyou Trail guided hundreds of thousands of people to the gold fields. By the late part of the century mining had ceased to be a major part of the economy, and many immigrants turned to farming and ranching. Many populous communities were established along the Sacramento River, including the state capital of Sacramento. Intensive agriculture and mining contributed to pollution in the Sacramento River, and significant changes to the river's hydrology and environment. Since the 1950s the watershed has been intensely developed for water supply and the generation of hydroelectric power. Today, large dams impound the river and almost all of its major tributaries. The Sacramento River is used heavily for irrigation and serves much of Central and Southern California through the canals of giant state and federal water projects. While it is now providing water to over half of California's population and supporting the most productive agricultural area in the nation, these changes have left the Sacramento greatly modified from its natural state and have caused the decline of its once-abundant fisheries.

The San Joaquin River (; Spanish: Río San Joaquín) is the longest river of Central California. The 366-mile (589 km) long river starts in the high Sierra Nevada, and flows through the rich agricultural region of the northern San Joaquin Valley before reaching Suisun Bay, San Francisco Bay, and the Pacific Ocean. An important source of irrigation water as well as a wildlife corridor, the San Joaquin is among the most heavily dammed and diverted of California's rivers. People have inhabited the San Joaquin Valley for more than 8,000 years, and it was long one of the major population centers of pre-Columbian California. Starting in the late 18th century, successive waves of explorers then settlers, mainly Spanish and American, emigrated to the San Joaquin basin. When Spain colonized the area, they sent soldiers from Mexico, who were usually of mixed native Mexican and Spanish birth, led by Spanish officers. Franciscan missionaries from Spain came with the expeditions to evangelize the natives by teaching them about the Catholic faith. Once an inland sea, most of the San Joaquin Valley has a very uniform topography, and much of the lower river formed a huge flood basin. In the 20th century, many levees and dams were built on the San Joaquin and all of its major tributaries. These engineering works changed the fluctuating nature of the river forever, and cut off the Tulare Basin from the rest of the San Joaquin watershed. Once habitat for hundreds of thousands of spawning salmon and millions of migratory birds, today the river is subject to tremendous water-supply, navigation and regulation works by various federal agencies, which have dramatically reduced the flow of the river since the 20th century.

Spinner Island is an island in Suisun Bay, an embayment of San Francisco Bay, downstream of the Sacramento–San Joaquin River Delta. It is part of Solano County, California, and not managed by any reclamation district. Its coordinates are 38°04′11″N 121°52′10″W, and the United States Geological Survey measured its elevation as 0 ft (0 m) in 1981. It is shown (but not labeled) in an 1850 survey map of the San Francisco Bay area made by Cadwalader Ringgold, as well as an 1854 map of the area by Henry Lange.

Pittsburg Center station is a Bay Area Rapid Transit station on the Yellow Line. It is located at the Railroad Avenue overpass of Highway 4 in Pittsburg, California and serves the downtown area of about one mile (1.6 km) away via connecting buses provided by Tri Delta Transit. There is no reserved parking available at this station.

Chain Island is an island in Suisun Bay, downstream of the Sacramento–San Joaquin River Delta in northern California, and the westernmost piece of land in Sacramento County. In the late 1800s, it was considered an "obstruction to navigation" on the Sacramento River. As it was built up significantly from hydraulic mining tailings upstream on the river, plans were made in the early 20th century to remove it and recoup costs by mining the debris. However, this never happened; it was sold by the California State Lands Commission to a private individual in 1959, who listed it for sale the next year. In April 2016, the deed for the island was transferred; as of December 2022, Sacramento County assesses its land value at $18,622.