2022 Map of Alvord

In the southeastern corner, the terrain transitions as it nears the Rock River valley, where Hillside Cem overlooks the bottomlands. This modern survey by the U.S. Geological Survey details the late-twentieth and early-twenty-first-century rural infrastructure, including the county boundary between Lyon Co and Sioux Co to the south. The drainage patterns of Dry Run Cr and other small tributaries illustrate the natural hydrology that has shaped farming in this portion of the Tallgrass Prairie region.