Question: What city shares a border with the city where a person went to work during the gold rush in the biggest state in the USA by population?

Knowledge 1: List of states and territories of the United States by population
As of April 1, 2010, the date of the 2010 United States Census, the nine most populous U.S. states contain slightly more than half of the total population. The 25 least populous states contain less than one - sixth of the total population. California, the most populous state, contains more people than the 21 least populous states combined. [SEP] Knowledge 2: California Gold Rush
Rumors of the discovery of gold were confirmed in March 1848 by San Francisco newspaper publisher and merchant Samuel Brannan. Brannan hurriedly set up a store to sell gold prospecting supplies, and walked through the streets of San Francisco, holding aloft a vial of gold, shouting ``Gold! Gold! Gold from the American River! '' [SEP] Knowledge 3: History of Sacramento, California
The history of Sacramento, California, began with its founding by Samuel Brannan and John Augustus Sutter, Jr. in 1848 around an embarcadero that his father, John Sutter, Sr. constructed at the confluence of the American and Sacramento Rivers a few years prior. [SEP] Knowledge 4: Rio Linda High School
Rio Linda High School is a high school located in Rio Linda, Sacramento, CA. It has an enrollment of 2,035 students. It is part of the Twin Rivers Unified School District, and was formerly part of the Grant Unified School District.
Knowledge 1: List of states and territories of the United States by population
As of April 1, 2010, the date of the 2010 United States Census, the nine most populous U.S. states contain slightly more than half of the total population. The 25 least populous states contain less than one - sixth of the total population. California, the most populous state, contains more people than the 21 least populous states combined. [SEP] Knowledge 2: History of Sacramento, California
The history of Sacramento, California, began with its founding by Samuel Brannan and John Augustus Sutter, Jr. in 1848 around an embarcadero that his father, John Sutter, Sr. constructed at the confluence of the American and Sacramento Rivers a few years prior. [SEP] Knowledge 3: Rio Linda High School
Rio Linda High School is a high school located in Rio Linda, Sacramento, CA. It has an enrollment of 2,035 students. It is part of the Twin Rivers Unified School District, and was formerly part of the Grant Unified School District. [SEP] Knowledge 4: California Gold Rush
Rumors of the discovery of gold were confirmed in March 1848 by San Francisco newspaper publisher and merchant Samuel Brannan. Brannan hurriedly set up a store to sell gold prospecting supplies, and walked through the streets of San Francisco, holding aloft a vial of gold, shouting ``Gold! Gold! Gold from the American River! ''
Knowledge 1: List of states and territories of the United States by population
As of April 1, 2010, the date of the 2010 United States Census, the nine most populous U.S. states contain slightly more than half of the total population. The 25 least populous states contain less than one - sixth of the total population. California, the most populous state, contains more people than the 21 least populous states combined. [SEP] Knowledge 2: History of Sacramento, California
The history of Sacramento, California, began with its founding by Samuel Brannan and John Augustus Sutter, Jr. in 1848 around an embarcadero that his father, John Sutter, Sr. constructed at the confluence of the American and Sacramento Rivers a few years prior. [SEP] Knowledge 3: Rio Linda High School
Rio Linda High School is a high school located in Rio Linda, Sacramento, CA. It has an enrollment of 2,035 students. It is part of the Twin Rivers Unified School District, and was formerly part of the Grant Unified School District. [SEP] Knowledge 4: Black Hills Gold Rush
The Black Hills Gold Rush took place in Dakota Territory in the United States. It began in 1874 following the Custer Expedition and reached a peak in 1876-77.

Answer: Rio Linda