Kellersberger's Map is a plat

Plat

A plat in the U.S. is a map, drawn to scale, showing the divisions of a piece of land. Other English-speaking countries generally call such documents a cadastral map or plan....

 map created in 1856 of Rancho San Antonio on the northeastern shore lands, the Contra Costa of San Francisco Bay

San Francisco Bay

San Francisco Bay is a shallow, productive estuary through which water draining from approximately forty percent of California, flowing in the Sacramento and San Joaquin rivers from the Sierra Nevada mountains, enters the Pacific Ocean...

, in present day Alameda County, California

Alameda County, California

Alameda County is a county in the U.S. state of California. It occupies most of the East Bay region of the San Francisco Bay Area. As of the 2010 census it had a population of 1,510,271, making it the 7th most populous county in the state...

.

Kellersberger's Map was created by surveyor Julius Kellersberger in order to facilitate the subdivision of a portion of the Mexican land grant

Ranchos of California

The Spanish, and later the Méxican government encouraged settlement of territory now known as California by the establishment of large land grants called ranchos, from which the English ranch is derived. Devoted to raising cattle and sheep, the owners of the ranchos attempted to pattern themselves...

 lands of the Alta California

Alta California

Alta California was a province and territory in the Viceroyalty of New Spain and later a territory and department in independent Mexico. The territory was created in 1769 out of the northern part of the former province of Las Californias, and consisted of the modern American states of California,...

 era Rancho San Antonio following the Mexican-American War and U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

hood.

Kellersberger had previously surveyed a map of the original claimed extent of the City of Oakland

Oakland, California

Oakland is a major West Coast port city on San Francisco Bay in the U.S. state of California. It is the eighth-largest city in the state with a 2010 population of 390,724...

.

List of plots

The following is a partial list of the subdivision plots on Kellersberger's Map together with the names of their original claimants:

• 57 - Peter Mathews (Ireland), 53.75 acres (217,518.7 m²)
• 58 - Peter Mathews, 75 acres (303,514.5 m²)
• 60 - Jean Noel, 107.63 acre (0.4355635418 km²)
• 62 - Juan Ysunza (Chile), 89.25 acres (361,182.3 m²)
• 63 - Rosario Sisterna (Chile), 59.6 acres (241,192.9 m²)
• 64 - Michael Curtis (Ireland), 154 acre (0.62321644 km²)
• 65 - Francois Pioche (France via Chile), 48.88 acres (197,810.5 m²)
• 67 - Francois Pioche, 157.2 acre (0.636166392 km²)
• 68 - Francis K. Shattuck
  Francis K. Shattuck
  Francis Kittredge Shattuck was the most prominent civic leader in the early history of Berkeley, California, and played an important role in the creation and government of Alameda County as well. He also served as the fifth mayor of the city of Oakland in 1859, and represented the 4th District in...
  
  , 160 acre (0.6474976 km²)
• 69 - George M. Blake, 160 acre (0.6474976 km²)
• 70 - James Leonard (Ireland), 160 acre (0.6474976 km²)
• 71 - William Hillegass, 160 acre (0.6474976 km²)
• 78 - Joseph Irving, 160 acre (0.6474976 km²)
• 89 - Jacob Irving, 155 acre (0.6272633 km²)

• City of Oakland, acreage unspecified
• Vicente Peralta Reserve, 7001 acres (28.3 km²)
• Domingo Peralta Reserve, acreage unspecified

External links

• Kellersberger's Map of Oakland, filed September 2, 1853, reproduced in case of London & San Francisco Bank Limited. v. City of Oakland 90 F1d 691 (1898)