twelfth-century (Temporal Keyword)

DOCUMENT Full-Text John P. Hart. C. Margaret Scarry.

A radiocarbon date of A.D. 1070 ± 60 was linked to the remains of maize (Zea mays), beans (Phaseolus vulgaris), and squash (Cucurbita pepo) at the Roundtop site in the Susquehanna River valley of New York by William Ritchie in 1969 and 1973 publications. This date established the presence a/beans in the Northeast at an earlier time than in most other areas a/the eastern United States, where they are generally rare before A.D. 1300. Subsequently beans have been reported in pre-A.D. 1300 contexts...