Sperry Glacier (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sperry Glacier" in English language version.

refsWebsite

Global rank English rank

1nationalmap.gov

420^th place

235^th place

167^th place

198^th place

low place

low place

1web.archive.org

1^st place

1^st place

nationalmap.gov

edits.nationalmap.gov

"Sperry Glacier". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2010-09-04.

topoquest.com

"Sperry Glacier, USGS Lake McDonald East (MT) Topo Map". USGS Quads. TopoQuest. Retrieved 2010-05-02.

usgs.gov

nrmsc.usgs.gov

"Retreat of Glaciers in Glacier National Park" (pdf). United States Geological Survey. 2010. Retrieved 2010-10-23.

web.archive.org

"Discovery and Exploration". National Park Service. Archived from the original on February 23, 2006. Retrieved 2007-01-12.