George V. Cohee 1974 The Geologic Names Committee of the United States Geological Survey was first organized on February 17, 1899, " ... to consider all names of geologic formations or other divisions of rock classifications with a view to determining whether they comply with the rules of nomenclature adopted for the Survey publications and to recommend such action as may be advisable in any individual case to secure unity of nomenclature under the rules." application/pdf 10.3133/70047747 en U.S. Government Printing Office Stratigraphic nomenclature in reports of the U.S. Geological Survey reports