Research Article| September 01, 1985 Comments and Replies on “Three new Upper Cambrian stages for North America”: COMMENT Brian J. Witzke Brian J. Witzke 1Iowa Geological Survey, Iowa City, Iowa 52242 Search for other works by this author on: GSW Google Scholar Author and Article Information Brian J. Witzke 1Iowa Geological Survey, Iowa City, Iowa 52242 Publisher: Geological Society of America First Online: 01 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1985) 13 (9): 663–664. https://doi.org/10.1130/0091-7613(1985)13<663:CAROTN>2.0.CO;2 Article history First Online: 01 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Brian J. Witzke; Comments and Replies on “Three new Upper Cambrian stages for North America”: COMMENT. Geology 1985;; 13 (9): 663–664. doi: https://doi.org/10.1130/0091-7613(1985)13<663:CAROTN>2.0.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract No Abstract Available. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.