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  • Regional significance of pre-Wisconsinan till from Nantucket Island, Massachusetts
  • A major pre-Wisconsinan glacial event is the only possible source of the lower till on Nantucket Island, Massachusetts. The till occurs near the late Wisconsinan drift border and below fossiliferous marine beds of oxygen-isotope stage 5 (Sangamonian
  • -Wisconsinan (lower) till in New England may correlate with older tills elsewhere in the northeastern United States and in southeastern Canada that are considered to be early Wisconsinan or older in age.
  • 1983
  • Comments on chronology of late Wisconsinan glaciation in middle North America (by L. Clayton and S. R. Moran, Quaternary Science Reviews, 1, 55-82)
  • Discusses the late Wisconsinan maximum advance in southern Alberta and northern Montana. Radiocarbon dates are listed. (CM).
  • 1983
  • Chronology of late Wisconsinan glaciation in middle North America a discussion (by L. Clayton and S. R. Moran, Quaternary Science Reviews, 1, 55-82)
  • 1983
  • The Late Wisconsinan savanna terrace in tributaries to the upper Mississippi River
  • The Savanna Terrace, composed of alternating red and gray clayey sediments of late Wisconsinan age, is the highest glaciofluvial-lacustrine deposit without a loess cover in the upper Mississippi valley. Chemical, physical, and mineralogical data
  • 1983
  • Reply to Comments on chronology of late Wisconsinan glaciation in middle North America, Quaternary Science Reviews, 1, VII-XIV.
  • 1983
  • B.P.), and two (Leck Kill) were formed in Altonian till (>28,000,
  • 1983
  • Examination of a sample of 150 fluted-point localities from southern Ontario, Canada in relation to datable features of Late Wisconsinan ice retreat discloses maximum possible ages for early Palaeo-Indian occupation and reveals selection of specific
  • 1983
  • ., but a lack of age control makes this assignment uncertain. A curve based on a late Wisconsinan, high relative sea-level stand of + 32 m at 13,000 yr B.P., a low stand of 47 m at 10,500 yr B.P., and younger radiocarbon dates related to sea-level rise indicates
  • 1983