https://openlibrary.org/books/OL772150M.opdsOhio flint types2023-02-23T06:22:32ZRobert N. Conversehttps://openlibrary.org/authors/OL438739A/Robert_N._ConverseArchaeological Society of Ohio[Columbus, Ohio]1994212 p. :Includes bibliographical references (p. 210-211).enghttps://openlibrary.org/books/OL772150M3185614397171896