Ponca Creek (Missouri River tributary) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ponca Creek (Missouri River tributary)" in English language version.

refsWebsite

Global rank English rank

1hathitrust.org

441^st place

311^th place

hathitrust.org (Global: 441^st place; English: 311^th place)

babel.hathitrust.org

Federal Writers' Project (1940). South Dakota place-names, v.1-3. University of South Dakota. p. 51.