Information:  - The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south and is bounded by Asia and Australia in the west and the Americas in the east.  - The Van Duzen River is a river on the north coast of California. It is a major tributary of the Eel River and drains , mostly in Humboldt County, with a small portion in Trinity County. The river travels from its headwaters on the west side of the North Coast Range to its confluence with the Eel River, about upstream from the Pacific Ocean and south of Eureka, California. The river's elevation is over at its source and only when it merges with the Eel River. The river has two forks in its upper reaches. The North Fork travels northwest until it reaches the small town of Dinsmore, where it starts flowing west. The Little Van Duzen, which also flows northwest, joins the North Fork a few miles later. The river flows roughly west from then on. It meets its largest tributary, Yaeger Creek, about before it reaches the Eel River.  - Los Angeles (Spanish for "The Angels"), officially the City of Los Angeles and often known by its initials L.A., is the second-most populous city in the United States (after New York City), the most populous city in California and the county seat of Los Angeles County. Situated in Southern California, Los Angeles is known for its mediterranean climate, ethnic diversity, sprawling metropolis, and as a major center of the American entertainment industry. Los Angeles lies in a large coastal basin surrounded on three sides by mountains reaching up to and over .  - Ruth is a census-designated place (CDP) in Trinity County, California. Ruth is located in the southern portion of the county. The community - and adjacent Ruth Lake - was named after Ruth McKnight, daughter of settlers. The ZIP code is 95526. The community is inside area code 707. It is located near the headwaters of the Mad River (California) and adjacent to the Yolla Bolly-Middle Eel Wilderness. Ruth sits at an elevation of . The 2010 United States census reported Ruth's population was 195.  - Arizona (O'odham: "Al onak" [ai onak]) is a state in the southwestern region of the United States. It is also part of the Western United States and the Mountain West states. It is the sixth largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is one of the Four Corners states. It has borders with New Mexico, Utah, Nevada, California, and Mexico, and one point in common with the southwestern corner of Colorado. Arizona's border with Mexico is 389 miles (626 km) long, on the northern border of the Mexican states of Sonora and Baja California.  - A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases a river flows into the ground and becomes dry at the end of its course without reaching another body of water. Small rivers can be referred to using names such as stream, creek, brook, rivulet, and rill. There are no official definitions for the generic term river as applied to geographic features, although in some countries or communities a stream is defined by its size. Many names for small rivers are specific to geographic location; examples are "run" in some parts of the United States, "burn" in Scotland and northeast England, and "beck" in northern England. Sometimes a river is defined as being larger than a creek, but not always: the language is vague.  - Baja California, officially the Free and Sovereign State of Baja California, is a state in Mexico. It is the northernmost and westernmost of the 31 states which, with Mexico City, comprises the 32 Federal Entities of Mexico. Before becoming a state in 1953, the area was known as the North Territory of Baja California ("El Territorio Norte de Baja California"). It has an area of , or 3.57% of the land mass of Mexico and comprises the northern half of the Baja California Peninsula, north of the 28th parallel, plus oceanic Guadalupe Island. The mainland portion of the state is bordered on the west by the Pacific Ocean, on the east by Sonora, the U.S. State of Arizona, and the Gulf of California (also known as the "Sea of Cortez"), and on the south by Baja California Sur. Its northern limit is the U.S. state of California.  - A census-designated place (CDP) is a concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counterparts of incorporated places, such as cities, towns, and villages for the purposes of gathering and correlating statistical data. CDPs are populated areas that generally include one officially designated but currently unincorporated small community, for which the CDP is named, plus surrounding inhabited countryside of varying dimensions and, occasionally, other, smaller unincorporated communities as well. CDPs include small rural communities, colonias located along the U.S. border with Mexico, and unincorporated resort and retirement communities and their environs.  - Area code 707 is a California telephone area code that was split from area code 415 on March 1, 1959. It covers the northwestern portion of the state of California. It serves the far northern fringe of the San Francisco Bay Area, as well as the North Coast and the northwestern portion of the state. Major cities in the area code include Napa, Sebastopol, Vallejo, Benicia, Fairfield, Santa Rosa, Windsor, Healdsburg, Rohnert Park, Petaluma, Fort Bragg, Crescent City, Eureka, Clearlake, Vacaville, Ukiah, and northwestern California.  - Eureka (Hupa: do'-wi-lotl-ding' Karuk: uuth) is the principal city and county seat of Humboldt County in the Redwood Empire region of California. The city is located on U.S. Route 101 on the shores of Humboldt Bay, north of San Francisco and south of the Oregon border. At the 2010 census, the population of the city was 27,191, and the population of Greater Eureka was 45,034.  - The City of New York, often called New York City or simply New York, is the most populous city in the United States. With an estimated 2015 population of 8,550,405 distributed over a land area of just , New York City is also the most densely populated major city in the United States. Located at the southern tip of the state of New York, the city is the center of the New York metropolitan area, one of the most populous urban agglomerations in the world. A global power city, New York City exerts a significant impact upon commerce, finance, media, art, fashion, research, technology, education, and entertainment, its fast pace defining the term "New York minute". Home to the headquarters of the United Nations, New York is an important center for international diplomacy and has been described as the cultural and financial capital of the world.  - Dinsmore is an unincorporated community in , California . It is located on the Van Duzen River , at an elevation of 2,415 feet ( 736 m ) . Dinsmore Airport and the Dinsmore Store are located nearby . Also nearby is the Mad River , Ruth , California and Ruth Reservoir ( located in Trinity County ) .  - The Mad River is a river in upper Northern California. It flows for in a roughly northwest direction through Trinity County and then Humboldt County, draining a watershed into the Pacific Ocean north of the college town of Arcata near Arcata-Eureka Airport in McKinleyville. The river's headwaters are in the Coast Range near South Kelsey Ridge.  - Nevada (Spanish for "snowy"; see pronunciations) is a state in the Western, Mountain West, and Southwestern regions of the United States of America. Nevada is the 7th most extensive, the 34th most populous, and the 9th least densely populated of the 50 United States. Nearly three-quarters of Nevada's people live in Clark County, which contains the Las VegasParadise metropolitan area where three of the state's four largest incorporated cities are located. Nevada's capital is Carson City. Nevada is officially known as the "Silver State" because of the importance of silver to its history and economy. It is also known as the "Battle Born State", because it achieved statehood during the Civil War (the words "Battle Born" also appear on the state flag); as the "Sage-brush State", for the native plant of the same name; and as the "Sage-hen State". Nevada borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast and Utah to the east.  - California is the most populous state in the United States and the third most extensive by area. Located on the western (Pacific Ocean) coast of the U.S., California is bordered by the other U.S. states of Oregon, Nevada, and Arizona and shares an international border with the Mexican state of Baja California. The state capital is Sacramento. Los Angeles is California's most populous city, and the country's second largest after New York City. The state also has the nation's most populous county, Los Angeles County, and its largest county by area, San Bernardino County.    Given the information, choose the subject and object entities that have the relation of 'located in the administrative territorial entity'.
dinsmore , humboldt county