Assertion: mound | /r/CapableOf | test by warren k. moorehead
Facets:
value: in 1922
type: TEMPORAL
value: in 1921
type: TEMPORAL
Source sentences:
text: Although noted on early maps of the Cahokia site and tested by Warren K. Moorehead in 1921 and 1922, the mound was not excavated until 1950 by James B. Griffin and Albert Spaulding.