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The physiographic regions of the contiguous United States comprise 8 divisions, 25 provinces, and 85 sections. [1] The system dates to Nevin Fenneman's report Physiographic Divisions of the United States, published in 1916. [2] [3] The map was updated and republished by the Association of American Geographers in 1928. [4]
Physiographic Map from "Geography of Ohio," published in 1923. During the early 1900s, the study of regional-scale geomorphology was termed "physiography". Physiography later was considered to be a portmanteau of "physical" and "geography", and therefore synonymous with physical geography, and the concept became embroiled in controversy surrounding the appropriate concerns of that discipline.
The Physiographic Regions—Physiographic divisions of the United States, within the North American U.S. states The main article for this category is United States physiographic region . See also: Physiographic regions of the world
The landforms of Earth are generally divided into physiographic regions, consisting of physiographic provinces, which in turn consist of physiographic sections, [1] [2] [3] though some others use different terminology, such as realms, regions and subregions. [4] Some areas have further categorized their respective areas into more detailed ...
A physiographic province is a geographic region with a characteristic geomorphology, and often specific subsurface rock type or structural elements. The continents are subdivided into various physiographic provinces, each having a specific character, relief, and environment which contributes to its distinctiveness.
English: The major physiographic provinces of the 48 conterminous United States. This map is based on public domain data from the USGS. Originator: Fenneman, N.M., and Johnson, D.W. Publication_Date: 1946 Title: Physiographic divisions of the conterminous U. S. Geospatial_Data_Presentation_Form: map Publication_Place: Washington, DC Publisher: USGS
Valley and Ridge province of the Appalachian Highlands physiographic division; to the north is the Hudson section, then the central section, and to the south the Tennessee section. The Valley and Ridge province is a physiographic province of the larger Appalachian division, located in the eastern United States. It is bordered on the east by the ...
Valley and Ridge province as part of the Appalachian Highlands division, based on the U.S. Geological Survey physiographic classification. The Ridge-and-Valley Appalachians, also called the Ridge and Valley Province or the Valley and Ridge Appalachians, are a physiographic province of the larger Appalachian Highlands division. The physiographic ...