Annals of the Association of American Geographers · 2003 · 116 citations · 5 references
Social SciencesGeographyPhysical GeographyRegional GeographyRegional ChangePhysical Regional Landscapes
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Physiography of Eastern United States
A. M. D., Nevin M. Fenneman · Geographical Journal · 1938 · 1.2K citations
Physiography of Western United States
Wallace W. Atwood, Nevin M. Fenneman · Economic Geography · 1932 · 919 citations
Natural Regions of the United States and Canada
J. Bird · Soil Science · 1975 · 178 citations