Holland Tract

Rhode Island is a small, partially submerged island in the San Joaquin River delta, in California. It is part of Contra Costa County. Its coordinates are 37.9996445°N 121.5752300°W / 37.9996445; -121.5752300 (Rhode Island). It appears on a 1952 United States Geological Survey map of the area.

Little Mandeville Island is a small, mostly submerged island in the San Joaquin River delta, in California. It is part of San Joaquin County, and its coordinates are 38.0104776°N 121.5649522°W / 38.0104776; -121.5649522 (Little Mandeville Island). In 1994, 376 acres (152 ha) of former farmland was inundated with water after a levee broke.

The Palm Tract is an island in the Sacramento–San Joaquin River Delta. It is part of Contra Costa County, California. It, along with Orwood Tract to the south, are managed by Reclamation District 2024 (Orwood and Palm Tracts). Its coordinates are 37°57′14″N 121°35′22″W, and the United States Geological Survey measured its elevation as 10 ft (3.0 m) in 1981. It appears on 1913 and 1952 United States Geological Survey maps of the area.

Bethel Island is an island in the Sacramento–San Joaquin River Delta of Contra Costa County, California, approximately 10 kilometres (6.2 mi) east of Antioch. The island describes itself as "the heart of the California Delta." Bethel Island (formerly known as Bethell, Bethell Ranch, Bethel Tract, Sand Mound Ranch, Sand Mound Tract) is also a census-designated place (CDP) on the island. The population at the 2010 census was 2,137, a 7.6 percent decline from 2,312 at the 2000 census. The community of Bethel Island is governed as a Special Act District created by the California State legislature and named the Bethel Island Municipal Improvement District (BIMID). It is a popular destination for recreation seekers, especially hunters, fishermen and boaters.

Bacon Island is an island in the Sacramento-San Joaquin River Delta, twenty kilometres east of Antioch, and twenty kilometres west of Stockton. The 2,200 ha (5,400-acre) island is bounded on the west by Old River, on the north by Connection Slough, on the east by Middle River, and Woodward Island Canal on the south. It is in San Joaquin County, and managed by Reclamation District 2028. It appears on 1913 and 1952 United States Geological Survey maps of the area.

Franks Tract State Recreation Area (SRA) is a state park unit of California, United States, featuring a flooded area in the Sacramento–San Joaquin River Delta. It is accessible only by water. Franks Tract, and a smaller adjoining submerged property called "Little Franks Tract", are situated between the False River and Bethel Island. The recreation area is used primarily for fishing and waterfowl hunting, because of its exposure to frequent strong winds and fluctuating water levels. In times of high water, the entire site can be submerged except for portions of the old levees. The 3,523-acre (1,426 ha) park was established in 1959. It is managed from nearby Brannan Island State Recreation Area, 6 miles (9.7 km) to the northwest.

Fay Island is a small, partially submerged island in the San Joaquin River delta, in California. It is part of San Joaquin County, and managed by Reclamation District 2113. Its coordinates are 37.9485348°N 121.5652291°W / 37.9485348; -121.5652291 (Fay Island). It appears, almost completely submerged, on a 1952 United States Geological Survey map of the area.

{{Merger with Franks Tract State Recreation Area has been proposed. Please see Talk page.}} The Antioch Bombing Target a 500-acre (200 ha) plot was a United States Navy target used from 1943 to 1952. It is now part of the Franks Tract State Recreation Area.

Knightsen is a census-designated place (CDP) in Contra Costa County, California, in the United States. As of the 2010 census, the CDP population was 1,568, up from 861 reported in the 2000 census.

The Orwood Tract is an island in the Sacramento–San Joaquin River Delta. It is part of Contra Costa County, California. It, along with Palm Tract to the north, are managed by Reclamation District 2024 (Orwood and Palm Tracts). Its coordinates are 37°55′42″N 121°35′00″W, and the United States Geological Survey measured its elevation as 13 ft (4.0 m) in 1981. It appears on 1913 and 1952 United States Geological Survey maps of the area.

Point of Timber is a former settlement in Contra Costa County, California. It was located on Indian Slough 2 miles (3.2 km) north of Byron, and about 2.5 miles east of Union Cemetery in Brentwood. It was originally named Point of Timber Landing. The landing was built by Josiah Wills, who organized the deepening of Indian Slough, connecting the landing to the Old River. Point of Timber got its name from the mile wide strip of open Oak woodland that ran from just east of the house of John Marsh along the course of Arroyo del Sur to the edge of the marshes bordering Indian Slough and Old River.: 416 The northern end of La Vereda del Monte, a trail through the backcountry of the Diablo Range to the Central Valley was located at Point of Timber. Joaquin Murrieta and other ranchers and mesteñeros used the trail along Arroyo del Sur to drive mustangs, captured legally in rodeos held on Marsh's Rancho Los Meganos, southward from Contra Costa County. From the time the Five Joaquins Gang was formed stolen horses were fed into the droves of mustangs at its various stations as they were driven down the Vereda.: 399, 413, 416, 418, 420 The community included a general store and a blacksmith shop. A post office operated at Point of Timber Landing from 1869 to 1882, with a closure from 1871 to 1872. Tule fires burned the landing about 1882, but it was rebuilt by 1884.Author Jack London anchored his yacht, "The Sea Wolf" at the landing while he collaborated with Captain C. W. Lent on a book, "The Seafaring Life of a Captain." London died before the work was finished. The book was never completed. Lent was a sea captain who had retired to Byron and operated a passenger ship between the landing and Stockton, California.

Marsh Creek is a stream in east Contra Costa County, California in Northern California which rises on the eastern side of Mount Diablo and flows 30 miles (48 km) to the Sacramento–San Joaquin River Delta at Oakley, California, near Big Break Regional Shoreline. The creek flows through Marsh Creek State Park (California), where water is impounded to form Marsh Creek Reservoir, then through the city of Brentwood, California.