Butterfield, Howard Frank2021-12-132021-12-1319011901https://hdl.handle.net/2097/41873Citation: Butterfield, Howard Frank. A review of the formation and physical geography of the continent. Senior thesis, Kansas State Agricultural College, 1901.Introduction: In studying historical geology we find that it is governed by certain general principles, in the same manner that human history is. Human history is divided and subdivided into eras, ages, periods, epochs, etc., determined by great events. So, also, the history of the earth…The organization that has made the Item available believes that the Item is in the Public Domain under the laws of the United States, but a determination was not made as to its copyright status under the copyright laws of other countries. The Item may not be in the Public Domain under the laws of other countries. Please refer to the organization that has made the Item available for more information.GeologyHistoryEraGraduating thesesSenior thesesTextTheses