The Upper Kalskag plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
Upper Kalskag’s center stands about 60 ft above sea level. Within three miles the land runs from 30 ft to 890 ft, a difference of 860 ft: hilly country.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 16×.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR.