Question: What shares a border with the city where the person who went to the state where the planes were originally going on 9/11 during the gold rush works?

<P0-S0> Rio Linda High School is a high school located in Rio Linda, Sacramento, CA. <P0-S1> It has an enrollment of 2,035 students. <P0-S2> It is part of the Twin Rivers Unified School District, and was formerly part of the Grant Unified School District. <SEP> <P1-S0> coldspring house is an unincorporated locality and former roadhouse on the cariboo wagon road in the cariboo country of the central interior of british columbia, canada. <P1-S1> located just east of the confluence of lightning creek and the swift river between quesnel and barkerville along that route. <P1-S2> only 8 km east along that road from cottonwood house, another roadhouse still operating as a store and campground today, as well as a provincial heritage property with a small museum. <P1-S3> just farther along the route, which is today's bc highway 26, is beaver pass house. <P1-S4> all date from the era of the cariboo gold rush and were busy stopping places for travellers going to and from the goldfields. <SEP> <P2-S0> 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> <P3-S0> On the morning of 11 September 2001, 19 men affiliated with al-Qaeda hijacked four airliners all bound for California. <P3-S1> Once the hijackers assumed control of the airliners, they told the passengers that they had the bomb on board and would spare the lives of passengers and crew once their demands were met – no passenger and crew actually suspected that they would use the airliners as suicide weapons since it had never happened before in history. <P3-S2> The hijackers – members of al-Qaeda's Hamburg cell – intentionally crashed two airliners into the Twin Towers of the World Trade Center in New York City. <P3-S3> Both buildings collapsed within two hours from fire damage related to the crashes, destroying nearby buildings and damaging others. <P3-S4> The hijackers crashed a third airliner into the Pentagon in Arlington County, Virginia, just outside Washington D.C. <P3-S5> The fourth plane crashed into a field near Shanksville, Pennsylvania, after some of its passengers and flight crew attempted to retake control of the plane, which the hijackers had redirected toward Washington D.C., to target the White House, or the U.S. Capitol. <P3-S6> No flights had survivors. <P3-S7> A total of 2,977 victims and the 19 hijackers perished in the attacks. <SEP> <P4-S0> Rumors of the discovery of gold were confirmed in March 1848 by San Francisco newspaper publisher and merchant Samuel Brannan. <P4-S1> 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! <P4-S2> Gold! <P4-S3> Gold from the American River! '' <SEP> <P5-S0> black hill is a suburb of ballarat, victoria, australia in the northeast of the city. <P5-S1> it is named after the major landmark, black hill, on which there was extensive and highly profitable open-cut gold mining from the early 1850s during the victoria gold rush. <P5-S2> the hill was originally given its indigenous name, bowdun, by surveyor william urquhart.