This law states that the official boundaries of each county in the state are described within this specific article.

This section explains the official boundaries of Alameda County, California. It starts from the southwest corner where Alameda meets San Mateo and Santa Clara counties, then follows various detailed directions, using landmarks, lines, and points to describe its borders with San Joaquin, Contra Costa, and San Francisco. The description covers both land and water boundaries, mentioning specific surveys and historical legal boundaries to establish where Alameda County ends and other counties begin.

This section describes the boundaries of Alpine County, California. Starting at the north corner where the state line crosses the Sierra Nevada summit, it runs southwesterly along the summit past Thompson's Peak. Then, it heads to a common corner with Amador and El Dorado counties, then south across the Mokelumne River to a road near Big Meadows. From there, it follows the road to Big Tree and then the Sonora trail to the Stanislaus River. It continues along the trail to the Sierra Nevada summit, then follows the ridge dividing the West Walker and Carson Rivers to the state line. Finally, it goes northwest along the state line back to the starting point.

This section describes the geographical boundaries of Amador County in California. It explains the starting point at the Mokelumne River on the edge of San Joaquin County and then details the borders through rivers and roads, touching Alpine and El Dorado Counties, and continuing to the Cosumnes River along the lines of Sacramento and back to the starting point.

This section describes the geographical boundaries of Butte County in California. It begins at the northwest corner of Yuba County along the Feather River, following a detailed path that includes natural landmarks and survey lines established by surveyors from 1901. The description is meticulously precise, mentioning various sections (or portions) of land along township lines, rivers, creeks, and bordering counties like Yuba, Plumas, and Tehama. The description concludes where it started, at the Feather River.

This section defines the boundaries of Calaveras County, California. It starts at a point in the Stanislaus River near Knight’s Ferry and traces the river to the Alpine County line. From there, it follows the Alpine line northward to meet Amador County. The boundary then moves southwest along Amador’s southern edge down the Mokelumne River to San Joaquin County. Finally, it follows the lines of San Joaquin and Stanislaus Counties back to the starting point.

This law describes the specific geographical boundaries of Colusa County, California. The boundary starts at a point in the Sacramento River where it intersects with a township line, moves west along this line, follows a ridge line dividing watersheds, continues along the Coast Range, borders Lake and Glenn counties, and then follows waterways including Butte Creek and the Sacramento River to form the perimeter of Colusa County.

This section outlines the specific geographical boundaries of Contra Costa County in California. It describes the starting point at the northwest corner near Red Rock in the San Francisco Bay. From there, it continues through various key water bodies like the Straits and Bay of San Pablo, Carquinez Strait, and the San Joaquin River. It details how these boundaries intersect with neighboring counties such as Marin, Solano, Sonoma, and Alameda, and ends back near San Francisco.

This section defines the boundaries of Del Norte County in California. The county begins at a point in the Pacific Ocean on the southern line of Oregon, extends three miles from the ocean shore southward to Humboldt County's northern line, and follows the northern boundary of Humboldt County to a spur of the Siskiyou mountains. It then heads north along the mountain spur to the forty-second parallel of north latitude, finally returning west to the starting point in the ocean.

This section describes the precise geographical boundaries of El Dorado County in California. It begins at the junction of the north and south forks of the American River and follows the various forks, rivers, section lines, and landmarks such as Lake Tahoe and the Sierra Nevada Mountains to delineate the county's limits. Key points include the confluence of the middle fork of the American River, section lines through the Rubicon River, State line intersections, and borders with surrounding areas like Alpine, Amador, and Sacramento.

This section defines the specific geographic boundaries of Fresno County in California. It describes the starting point at the San Joaquin River where it intersects with Merced County and follows a detailed path through various landmarks and coordinates, including ditches, section lines, mountains, and rivers, illustrating the perimeter of Fresno County. The boundaries are demarcated by connecting several points across different townships and ranges, ending back at the starting point on the San Joaquin River.

This section defines the geographical boundaries of Glenn County, California. It starts at a specific point on the eastern boundary of Lake County and follows various natural and surveyed landmarks like section lines, the Sacramento River, Butte Creek, and historic land grants. It provides a detailed boundary description using these features to outline Glenn County’s edges.

This section describes the precise geographical boundaries of Humboldt County in California. It starts at a point where a specific township line intersects with the Pacific Ocean, and follows various natural landmarks like the Klamath River, Salmon River, and Trinity River. It also mentions several other natural features such as the ridge dividing water bodies and the fortieth degree of north latitude. The boundary lines end by following the Pacific Ocean shore back to the starting point.

This law outlines the specific geographic boundaries of Imperial County in California. The starting point is at the corner that marks the northwest corner of Imperial County and northeast corner of San Diego County. It then moves south to the U.S.-Mexico border, follows the border east along the Colorado River, and continues with several detailed boundary points that are officially recorded. The description also references maps and geographic coordinates located in an interstate agreement, which defines the boundary between Arizona and California.

This law describes the boundaries of Inyo County in California. It starts at the southeast corner of Tulare County, on a specific line in the Sierra Nevada Mountains, and follows a series of geographical landmarks and township lines to outline the entire county. The description involves state lines, township boundaries, and mountain summits, providing precise geographical instructions for where Inyo County is located in relation to its surrounding areas.

This law outlines the geographical boundaries of Kern County in California. It describes the county's borders starting from the northwest corner, delineating its shared corners and edges with neighboring counties like San Luis Obispo, Kings, San Bernardino, Los Angeles, Ventura, and Santa Barbara. The description uses specific township and range lines to define the county's limits accurately.

This law defines the specific boundaries of Kings County in California. It describes the county's limits using various sections, townships, and ranges with directional instructions starting from a defined northeast corner and moving in a specified path along specified distances and geographical landmarks. The description includes directions such as south, east, west, and north, marking Kings County's borders with neighboring counties like Kern, Monterey, Fresno, and Tulare, and mentions prominent natural features like the Kings River.

This section describes the exact geographical boundaries of Lake County in California. It begins at a specific monument on Mount Hull and traces a detailed path through townships, section lines, and various natural landmarks. This path moves north, east, south, and west, marking intersections with neighboring counties like Mendocino, Glenn, Colusa, Napa, Yolo, and Sonoma.

This law defines the boundaries of Lassen County through a detailed description of geographical points and directions, starting at the southwest corner at the intersection of specific townships and ranges. The boundary follows a path of specific directions, each referring to corners or sections defined by townships and ranges according to the Mount Diablo Base and Meridian (M.D.B. & M.) system. It involves a combination of north, south, east, and west routes along township lines, section lines, and section corners.

The law outlines a meticulous path by indicating numerous section corners and traversing different distances in various directions, completing the circuit back to the beginning. Essentially, it's like a verbal map stitching together many small squares into the larger area recognized as Lassen County.

This law section specifically describes the geographical boundaries of Los Angeles County, including detailed reference points, directional instructions, and prominent land features. The boundary starts at the southwestern state line and uses a series of landmarks, survey points, and directional bearings to outline the county's limits. The description includes reference to neighboring counties such as Kern, Ventura, San Bernardino, and Orange, as well as specific rancho boundaries and historical survey data. Additionally, the boundaries include the islands of Santa Catalina and San Clemente as part of Los Angeles County.

This section describes the geographical boundaries of Madera County, California. It starts at a specific point where the third standard line south of Mount Diablo base line meets the San Joaquin River. The boundary follows the river's course southeast and northeast until reaching the south boundary of a specific township. It then moves northeast to Mono's border and follows along Mono and Tuolumne's western and southern lines to a common point with Tuolumne, Mariposa, and Madera. Next, it traces Mariposa's southern line to Merced's southeast corner and follows Merced's southern line back to the San Joaquin River, ultimately returning to the original starting point.

This section describes the geographical boundaries of Marin County, California. It starts at the Pacific Ocean and outlines the borders moving through various landmarks and waterways such as Petaluma Creek, San Pablo Bay, Angel Island, and Point Bonita, before returning to the Pacific coast.

This section describes the boundaries of Mariposa County in California. It starts at Newton's crossing on Chowchilla Creek and outlines a path that involves various township and range sections, notable landmarks like the Mariposa Big Tree Grant, and borders with surrounding counties such as Madera, Fresno, Tuolumne, Stanislaus, and Merced. The final point returns to the starting location, completing the boundary description.

This law describes in detail the boundaries of Mendocino County, California. It begins at the southwest corner of Humboldt County and outlines a path moving east towards Trinity County. The description continues along various section lines and quarter section lines, moving south and east through different townships and ranges, addressing specific geographic landmarks like the Coast Range Mountains and Mount Hull. The boundary follows lines marked in historical surveys and eventually reaches the Pacific Ocean. The description concludes with a northerly line along the ocean back to the starting point.

This section defines the exact boundaries of Merced County in California. It starts at the northwest corner bordering Stanislaus County and describes a series of directions and landmarks that outline the county. The description includes points like the Merced River, Chowchilla Creek, and several sections of land marked by township and range within the Madera and Mariposa county lines, ending back at the starting point.

This law describes the geographic boundaries of Modoc County in California. It begins at the northeast corner of the state, follows the northern state boundary west, then moves south, follows Siskiyou's southern boundary east to the state line, and continues north back to the starting point.

This section describes the geographic boundaries of Mono County in California. It starts at the northern corner on the state line, which is also the eastern corner of Alpine County. From there, it follows the eastern line of Alpine County southwest to the Sierra Nevada Mountains’ main summit. The boundaries then move south along this summit, following the eastern lines of Alpine, Tuolumne, Madera, and Fresno counties, to where a specific township line intersects the summit, forming the southwest corner. Next, it goes east along this township line to the eastern state line, forming the southeast corner. Finally, it moves northwest along the state line back to the starting point.

This section describes the geographical boundaries of Monterey County, starting from the Pacific Ocean and moving through various natural landmarks like rivers and mountain summits, and ending back at the Pacific Ocean. It mentions specific points such as the Pajaro River, the Gabilan Range, Chalone Peak, and the Coast Range, delineating the edges shared with neighboring regions like Santa Cruz, San Benito, and San Luis Obispo.

This section describes the precise geographic boundaries of Napa County, California.

It starts at the point where Huichica Creek flows into San Pablo Bay, and outlines a path through various landmarks and natural features like mountains, creeks, and valleys until it returns to the starting point. Key landmarks include the mountains dividing Napa Valley and Suisun Valley, Vaca Mountains, Putah Creek, Berryessa Valley, and the boundaries shared with Yolo, Lake, and Sonoma counties.

This statute describes the geographical boundaries of Nevada County in California. It starts at the northwest corner where the Yuba River and Deer Creek meet. The line follows various rivers, including the main and middle Yuba Rivers and the south fork of the Yuba River. It specifies landmarks like the Bent monument and continues to the eastern boundary of the state, then follows the state line south. From there, it outlines the northeastern and northern borders with Placer County before heading back to the initial starting point.

This section defines the geographic boundaries of Orange County in California. The boundary starts at the northwest corner of San Diego County in the Pacific Ocean and continues along the San Diego County line. It follows various survey lines, township lines, section lines, and existing county lines, detailing specific directions and distances. The boundary includes landmarks such as Rancho Mission Viejo, Rancho Lomas de Santiago, and Rancho Los Coyotes, and meets various corners between San Diego, Riverside, San Bernardino, and Los Angeles Counties before returning to the Pacific Ocean.

This law section describes the geographical boundaries of Placer County in California. It outlines the starting point and directional path along township, section, and range lines, as well as rivers and state borders, to define what land is included within Placer County.

This section describes the boundaries of Plumas County in California. It begins at a specific point where Plumas, Butte, and Yuba counties meet and follows various natural landmarks and survey lines, such as Slate Creek, summit lines of ridges, and specific townships and range lines. The description includes directions through specific sections of surveyed land and notable features like The Falls and Gold Lake, outlining the edges where Plumas County touches adjacent counties like Sierra, Lassen, Shasta, Tehama, and Butte. The description eventually returns to the starting point, completing the boundary outline.

This law describes the detailed geographical boundaries of Riverside County in California. It begins at a point shared with Orange and San Bernardino Counties and follows specific survey lines and geographical markers. The description includes references to survey books, Rancho boundaries, township lines, and the Colorado River, which serves as part of the boundary with Arizona. It also mentions the use of specific angles and distances to precisely outline the county's perimeter.

This section describes the geographical boundaries of Sacramento County, California. It outlines the specific locations that form the edges of the county, starting from a point north of the American River and moving through several geographical landmarks, including the junction of river forks, rivers like the Cosumnes and Mokelumne, and specific locations like Mormon Island. The description includes various points like the northeast and southwest corners of the county defined by rivers and sloughs, eventually circling back to the original northern starting point.

This law section describes the geographic boundaries of San Benito County in California. It starts at the Pajaro River, moves along the Rancho las Arromitas y Agua Caliente, over the Gabilan Range, and toward Chalone Peak. The boundaries continue to San Lorenzo Sobrantes Rancho, then move to San Lorenzo Creek, following the divide between Lewis Creek and San Benito Creek. The county's edge follows the Coast Range Mountains and various township and range lines, intersects with Merced, and finally borders Santa Clara County, closing the loop back to the starting point.

This law outlines the specific geographical boundaries of San Bernardino County in California. It describes the boundary starting point, direction, and coordinates using townships and ranges, as well as notable geographical features, such as the Colorado River and the state lines with Nevada and Arizona. The boundary follows lines that were surveyed and approved at various points historically, and references to sections and township lines are used to clearly define the county limits. Information about the maps and geographic coordinates is found in an exhibit included in the Interstate Compact.

This section describes the specific geographical boundaries of San Diego County in California. It outlines the starting point at the southwest corner of the state, moves along the U.S.-Mexico border, then follows various township and range lines, ranch boundaries, and up to certain landmarks like the Pacific Ocean coastline.

This section describes the geographical boundaries of San Francisco city and county. It starts at the southwest corner and follows the Pacific Coast, moves through several landmarks such as Point Bonita and Angel Island, and outlines various points that connect with neighboring counties like Marin and Contra Costa. The section finishes by stating that the Farallones Islands are also considered part of San Francisco.

This section describes the geographic boundaries of San Joaquin County, California. It starts at the meeting point of the San Joaquin and Mokelumne Rivers and follows various creeks, rivers, and survey lines. It includes specific landmarks like Dry Creek and the Stanislaus River. The boundary then extends around the county, reaching points at the Coast Range and along the eastern boundary of Alameda County before heading back to the starting point.

This section describes the geographical boundaries of San Luis Obispo County in California. It starts from a point in the Pacific Ocean at the northwest corner of Santa Barbara and follows specific lines and landmarks, including rivers, townships, and ranges, to outline the county. The boundaries follow lines between various townships and sections, such as T. 10 N. and R. 24 W., as well as the M. D. B. & M. (Mount Diablo Base and Meridian) and Santa Barbara Base and Meridian. The path of the boundary is detailed through descriptions of north, south, east, and west directions along the survey lines until it concludes at the starting point in the Pacific Ocean.

This section outlines the borders of San Mateo County, starting at the southwest corner near Santa Cruz. It describes the path along the summit line of the Santa Cruz Mountains and follows San Francisquito Creek to various landmarks and engineered stations. The boundary follows along constructed improvements of San Francisquito Creek and continues following municipal boundaries. The northern boundary aligns with the city of Menlo Park and extends into San Francisco Bay. The boundary then moves in direct lines, ultimately joining San Francisco's borders marked by granite monuments with unique identifiers. The western boundary follows the ocean shore back to the starting point.

This law section describes the boundaries of Santa Barbara County in California. It outlines the starting point at the southwestern corner of Ventura, moving north along Ventura's western line to a specific township line, then west to the Santa Maria River. From there, it follows down the river to the Pacific Ocean and along the ocean shore back to the starting point. It includes the islands of Santa Barbara, San Miguel, Santa Rosa, and Santa Cruz.

The law section describes the specific geographical boundaries of Santa Clara County in California. It starts by outlining a point shared with San Mateo and Alameda Counties and proceeds in a detailed manner, using landmarks such as survey monuments, rivers like the Coyote and Pajaro, and various creeks. It includes references to historical surveys and highway plans to precisely define the limits of the county. The description ends by tracing back to the initial point of beginning on the county's boundary.

This law describes the boundaries of Santa Cruz County in California, starting in the Pacific Ocean and using various geographical features and landmarks to define its limits. The borders run through a combination of ocean points, specific landmarks, highways, roads, survey markers, and private land descriptions, covering notable points such as Rancho Punta del Año Nuevo, Summit Road, Loma Prieta Avenue, and Hecker Pass Road. The description includes precise directions, angles, and distances along established and historic routes, involving intersections with San Mateo, Santa Clara, San Benito, and Monterey counties. The boundary line traces a path that includes surveying references, historical roads, and current highways up to three miles offshore in the ocean.

This section describes the geographic boundaries of Shasta County in California. It details the starting and ending points and the natural landmarks and features, like rivers and creeks, that define the county lines. It begins at the northern edge of Tehama, follows various waterways like the Sacramento River and Battle Creek, and makes use of locations such as Black Butte Mountain and Castle Rock as boundary markers.

This law section describes the geographical boundaries of Siskiyou County in California. It starts at the northeast corner of Del Norte County on a mountain spur, then moves south and east along the lines of Del Norte and Humboldt Counties. It continues to the northwest corner of Trinity County, goes along Trinity's northern boundary to Shasta's northwest corner, and finally heads east and then north to the state border, closing the loop westward back to the starting point.

This section defines the geographic boundaries of Solano County in California. It starts at a specific point in San Pablo Bay, marked as the common corner with Contra Costa, Sonoma, Marin, and Solano counties. From there, the boundary line extends through various landmarks, such as the Huichica Creek and the summit of the Vaca Mountains, and follows waterways like Putah Creek, Sutter Slough, and the Sacramento River. The description also references the work of surveyors William Wayne Fitch and E. H. Marshall, whose maps and notes outline these boundaries.

This section defines the boundaries of Sonoma County, California, starting from a point in the Pacific Ocean near the mouth of the Gualala River. It details the path along rivers, section lines, ridges, and county lines, marking the perimeter of the county. The description includes specific geographical landmarks and intersects with surrounding counties like Mendocino, Lake, Napa, Solano, Marin, and Contra Costa. The outline traces an intricate path through various townships and ranges, ultimately looping back to the ocean.

This section defines the geographical boundaries of Stanislaus County in California. The boundaries are described starting at a point on the Mount Diablo Range and follow specific natural landmarks and survey markers from historical surveys conducted in the 1860s. It involves several points along rivers and ridges, marking the county's limits in relation to neighboring counties.

This section describes the geographical boundaries of Sutter County in California. It starts at the northwest corner of Sacramento County and follows the center lines of water channels like the Sacramento River, Butte Slough, Butte Creek, and Feather River, along with various lines within townships and sections based on an official government survey. The description continues through various directional courses, specifying distances and bearings until it forms a full loop back to the starting point.

This section outlines the geographical boundaries of Tehama County, California. It begins at the Sacramento River and follows the southern line of T. 23 N., M. D. B. westward to the summit of the Coast Range. The description continues north along the summit, then east along Shasta’s southern line to its intersection with Plumas’ northwest corner. It traces a southerly path along the summit ridge dividing prominent water tributaries before swinging southwest to Rock Creek and returning down to the Sacramento River, closing the loop back to the starting point.

This section describes the geographical boundaries of Trinity County, California. It begins at a specific point on the northeast corner and follows various natural landmarks such as the summit of mountain ranges and rivers, as well as historical survey markers set in 1872 by Wm. H. Fauntleroy. The boundaries trace along the summit lines between watersheds and include points of intersection with neighboring counties like Tehama, Shasta, Siskiyou, and Humboldt, before completing the outline at the original starting point.

This law defines the geographic boundaries of Tulare County in California. It describes starting at the southwest corner where Tulare, Kings, and Kern counties meet. From there, it follows a path east to the Sierra Nevada Mountains, north to the eastern corner of Fresno County, and then back south along Kings County to the starting point.

This section describes the boundaries of Tuolumne County in California. It starts at the most western corner at the Stanislaus River, then goes southeast to the common corner shared with Merced, Mariposa, Stanislaus, and Tuolumne counties. The boundary then follows the ridgeline between the Tuolumne and Merced Rivers up to Mount Lyell and along the Sierra Nevada Mountains to the Mono County line. From there, it extends north up to the southern corner of Alpine County before turning northwest along Alpine and Calaveras County lines, finally returning along the Stanislaus River back to the starting point.

This section outlines the specific geographic boundaries of Ventura County in California. It describes the county's borders starting from the Pacific Ocean at Rincon Creek, following the creek and various township lines, until reaching specified points on the range lines and section corners. It also includes the islands of Anacapa and San Nicholas within its boundaries, marking Ventura County's territorial limits.

This section describes the geographical boundaries of Yolo County, California. It starts at the southeast corner where Solano County meets Sutter Slough and follows a defined path westward and northward, detailing specific points such as standard lines, range lines, townships, Putah Creek, and surrounding mountain ridges. The description continues along various natural landmarks such as Cache Creek and the summit of the Coast Range, culminating back at the starting point after tracing the Sacramento River and Sutter Slough.

This section describes the detailed boundaries of Yuba County in California. It starts from the southwest corner at the intersection of the Bear and Feather Rivers, following specific courses and distances marked by various landmarks, such as monuments and railroad lines, through several segments. The description includes the course along river channels, centerlines, and section corners, referencing specific townships and ranges according to the Mount Diablo Base and Meridian survey. The boundary lines encompass natural features like Bear River and Yuba River and proceed through multiple sections, highlighting prominent points such as Cuteye Foster’s Bar and the Buckeye House spruce tree. Ultimately, it returns to the starting point following the Feather River. This legal text essentially provides a precise geographic outline for the jurisdiction of Yuba County.