Editing Frederick Law Olmsted (section)

===Gold mining project in California===
In 1863, Olmsted went west to become the manager of the newly established [[Rancho Las Mariposas|Rancho Las Mariposas–Mariposa]] gold mining estate in the [[Sierra Nevada (U.S.)|Sierra Nevada]] mountains in [[California]].<ref>{{cite web |url=http://xroads.virginia.edu/~HYPER/HNS/Olmsted/intro.html |archive-url=https://web.archive.org/web/19991011200344/http://xroads.virginia.edu/~HYPER/HNS/Olmsted/intro.html |url-status=dead |archive-date=October 11, 1999 |title=Olmsted Introduction }}</ref> The estate had been sold by [[John C. Fremont]] to New York banker, [[Morris Ketchum]], in January of that same year. The mine was unsuccessful. "By 1865, the Mariposa Company was bankrupt, Olmsted returned to New York, and the land and mines were sold at a sheriff's sale."<ref>{{cite book |last=Chamberlain |first=Newell D. |date=1936 |title=The Call of Gold: True Tales on the Gold Road to Yosemite |publisher=Gazette Press |location=Mariposa, California}}</ref>

In 1865, he was appointed to the first board of commissioners for managing the newly established [[Yosemite National Park|Yosemite Valley and Mariposa Grove]] land grants.<ref>{{cite web |url=https://www.yosemite.ca.us/library/olmsted/ |title=Yosemite History: Frederick Law Olmsted, Landscape Architect |last1= |first1= |last2= |first2= |date= |website=Yosemite National Park |publisher= |accessdate=April 26, 2022 }}</ref>