"[E]vents from January 1848 through December 1855 [are] generally acknowledged as the 'Gold Rush'. After 1855, California gold mining changed and is outside the 'rush' era.""The Gold Rush of California: A Bibliography of Periodical Articles". California State University, Stanislaus. 2002. Archived from the original on July 1, 2007. பார்க்கப்பட்ட நாள் 2008-01-23.
learncalifornia.org
"California Gold Rush, 1848–1864". Learn California.org, a site designed for the Secretary of State of California. Archived from the original on July 27, 2011. பார்க்கப்பட்ட நாள் 2011-08-22.
web.archive.org
"[E]vents from January 1848 through December 1855 [are] generally acknowledged as the 'Gold Rush'. After 1855, California gold mining changed and is outside the 'rush' era.""The Gold Rush of California: A Bibliography of Periodical Articles". California State University, Stanislaus. 2002. Archived from the original on July 1, 2007. பார்க்கப்பட்ட நாள் 2008-01-23.
"California Gold Rush, 1848–1864". Learn California.org, a site designed for the Secretary of State of California. Archived from the original on July 27, 2011. பார்க்கப்பட்ட நாள் 2011-08-22.
