Fortified Hill Works (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Fortified Hill Works" in English language version.

refsWebsite

Global rank English rank

135^th place

105^th place

1,424^th place

1,680^th place

nps.gov (Global: 135^th place; English: 105^th place)

npgallery.nps.gov

"National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.

wdl.org (Global: 1,424^th place; English: 1,680^th place)

Ephraim George Squier; Edwin Hamilton Davis (1848). Ancient Monuments of the Mississippi Valley. Smithsonian Institution. pp. 89–92.