Landforms of the United States (1939) by Erwin Raisz is one of the best examples of cartographic excellence depicting the landscape based on underpinning geological structure. With the block diagram as the foundation for landform mapping, this paper details the development of the landform map comparing works and lives of two of the most prominent physiographic landform cartographers, Erwin Raisz and Armin K. Lobeck, who each had Dr. Douglas Johnson as a PhD advisor at Columbia University. Comparing the 1921 Physiographic Diagram of the United States by Lobeck with the 1939 Raisz map, this paper argues that Raisz far exceeded Lobeck in the articulation of the landscape by way of the map.

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