Formaciones de tiza en Monument Rocks National Natural Landmark en el condado de Gove, oeste de Kansas - Foto e imágenes de stock

Chalk formations at Monument Rocks National Natural Landmark in Gove County, western Kansas

Castle Rock - limestone pillar landmark in prairie of western Kansas near Quinter (Gove County) , late summer

Monument Rocks in Grove County, Kansas. The chalk rock formation is a listed National Natural Landmark. High quality photo

Monument Rocks limestones formations in Kansas

A keyhole in chalk formations at Monument Rocks National Natural Landmark in Gove County, western Kansas

Monument Rocks in Grove County, Kansas. The chalk rock formation is a listed National Natural Landmark. High quality photo

Kazakhstan, the Ustyurt plateau, Akkergeshen - unique Cretaceous outcrops witnesses of the Cretaceous period.

Monument Rocks in Grove County, Kansas. The chalk rock formation is a listed National Natural Landmark. High quality photo

Do not climb the rocks sign - Monument Rocks in western Kansas

Hiking rock formation at Castle Rocks in western Kansas

Castle Rock - limestone pillar landmark in prairie of western Kansas near Quinter (Gove County) , foggy summer morning

Mount Garfield, dramatic mountain landmark near Grand Junction, Colorado

Panorama of sunset over Pawnee National Grassland in northern Colorado, typical winter or fall scenery with a dry grass

Monument Rocks (Chalk Pyramids) in western Kansas

Sunset over badlands, Pawnee National Grassland in northern Colorado, typical winter or fall scenery with a dry grass