GEDI L3 (v2) — mean top-of-canopy height (rh100), 2019–2022, native 1 km resampled to ~3 km cells in USA Albers (EPSG:5070), clipped to Natural Earth 50m US land (Great Lakes removed) — 863k columns. Source: GEDI L3 gridded canopy height (NASA/UMD, via OpenTopography).