Stine, Scott (1996). "Climate, 1650–1850"(PDF). Sierra Nevada Ecosystem Project. California Natural Resources Agency. Archived from the original(PDF) on October 9, 2009. Retrieved November 3, 2009.
Yosemite National Park(PDF) (Map). Cartography by National Park Service. U.S. National Park Service. 2003. Archived from the original(PDF) on March 20, 2007. Retrieved October 29, 2009.
"Merced River near Stevenson". National Water Information System. United States Geological Survey. 1924–2010. Retrieved July 12, 2009. The gauge stopped operation in 1925 and resumed in 1941. From 1996 to 2001 no data was recorded, presumably because of the 1998 El Nino year and the 1997 Yosemite floods. The gauge resumed operation in 2002. As this gauge is below the New Exchequer Dam, the USGS notes that all "Discharge affected by Regulation or Diversion".
Yosemite National Park(PDF) (Map). Cartography by National Park Service. U.S. National Park Service. 2003. Archived from the original(PDF) on March 20, 2007. Retrieved October 29, 2009.
Stine, Scott (1996). "Climate, 1650–1850"(PDF). Sierra Nevada Ecosystem Project. California Natural Resources Agency. Archived from the original(PDF) on October 9, 2009. Retrieved November 3, 2009.