Pawnee Buttes
Grover, Colorado
40.808131, -103.989418
Once a Cretaceous ocean, remote South Platte River basin of Weld County, Colorado, is home to Pawnee National Grassland.
Towering above the high plains, Pawnee Buttes host nesting birds of prey. Decedents now circle and soar over dry washes where fossil hunters have flocked since 1870.