Media type: E-Article Title: Separation of strata; Paleozoic limestones of the Williston Basin Contributor: Cumming, A. D.; Fuller, J. G. C. M.; Porter, J. W. imprint: American Journal of Science (AJS), 1959 Published in: American Journal of Science Language: English DOI: 10.2475/ajs.257.10.722 ISSN: 0002-9599 Keywords: General Earth and Planetary Sciences Origination: Footnote: Access State: Open Access