[DOC] [TLE] The Gold Rush of 1849 - Facts & Summary - HISTORY.com [PAR] The discovery of gold nuggets in the Sacramento Valley in early 1848 sparked 
the ... Just days after Marshall's discovery at Sutter's Mill, the Treaty of Guadalupe 
... was reporting that large quantities of gold were being turned up at Sutter's Mill. 
... As news spread of the fortunes being made in California, the first migrants to... [DOC] [TLE] California Gold Rush - Wikipedia [PAR] The California Gold Rush (18481855) began on January 24, 1848, when gold 
was found by James W. Marshall at Sutter's Mill in Coloma, .... The first large 
group of Americans to arrive were several thousand Oregonians who .... When 
gold was discovered at Sutter's Mill, California was still technically part of Mexico, 
under... [DOC] [TLE] 1848 California Gold Discovery  Coloma, California | Coloma ... [PAR] 1848 California Gold Discovery  Coloma, California on Coloma, California | On 
January 24, 1848, ... Coloma, California - Begin Your Adventure ... In Coloma 
today you can visit the site of Sutter's Mill and view an operational replica of the 
Mill. [DOC] [TLE] History of California Gold Rush and The Forty-Niners [PAR] Of course rumors soon began to spread around the nearby town of Columa 
where it ... believed that around 300,000 people migrated to California during the 
Gold Rush. ... After hearing news about the discovery of gold at Sutter's Mill, a 
merchant ... huge valuable gold nuggets in the streams of California, most forty-
niners... [DOC] [TLE] A Brief History of the Gold Rush - Midwest - Midwest Industrial Supply [PAR] Jul 14, 2016 ... Thrilled by his discovery, Marshall and his employer, John Sutter, tried to keep ... 
that large quantities of gold had been discovered at Sutter's Mill, a claim few ... 
1848 inevitably gave way to 1849, and with it came the migration of thousands of 
... As a result, mining towns began to spring up across the region,... [DOC] [TLE] Gold Rush and Constitution [PAR] Gold was discovered on January 24, 1848 by James Marshall at Sutter's Mill in 
Coloma. ... The Gold Rush ushered in the largest mass migration in U.S. history. 
... As the amount of available gold decreased, miners began to fight one another 
for ... By 1860, hydraulic mining "was strictly big business, with a handful of 
owners... [DOC] [TLE] James Marshall - Discovering Gold in California - Legends of America [PAR] James Marshall's discovery of gold at Sutter's Mill in California in 1848, started 
the ... In July, 1845, he arrived in the Sacramento Valley and began to work for 
John Sutter as a carpenter. ... But, the "news" was just too big, and in no time it 
leaked out. ... However, the development of the mine proved expensive and 
yielded... [DOC] [TLE] ELC ENGL-163: The Gold Rush and California Statehood | English ... [PAR] Mar 28, 2016 ... He imported a large number of workers and soon mills and shops ... During 1848 
President James Knox Polk began to quietly promote migration to California. ... 
Although the news of a gold discovery at Sutter's saw mill circulated .... Most 
migrants traveling to California were frontier farmers who were... [DOC] [TLE] gold rush facts, information, pictures | Encyclopedia.com articles ... [PAR] On 24 January 1848 the American James Marshall discovered gold at John 
Sutter's mill in northern ... When word got out concerning the gold's location, 
people soon began ... Few actually struck it big in the gold fields, but 1849 and 
1850 were years of ... mining gold in northern California became increasingly 
expensive. [DOC] [TLE] The California Gold Rush, Slavery, and the Civil War | - Blog [PAR] Apr 16, 2014 ... On January 24, 1848, Swiss immigrant John Sutter's employee James Wilson 
Marshall found gold at the Sutter Mill. ... Neither side was aware of Sutter's 
discovery, so the incredible value of the territory was not ... report in his State of 
the Union address, that Easterners began to take the Gold Rush seriously. [DOC] [TLE] California Gold

Question: In 1848 this large migration began with a valuable discovery at Sutter's Mill
Answer: the Gold Rush