Picryl description: Public domain image of a mountains, highland landscape, free to use, no copyright restrictions.

Picryl description: Public domain view of a mountain range, mountainous landscape, free to use, no copyright restrictions.

pictorial works prints yellowstone national park and the mountain regions of portions of idaho nevada colorado and utah sierra nevada moran thomas 1837 1926 artist summit sierra nevada ultra high resolution high resolution mountains the miriam and ira d wallach division new york public library

1876

New York Public Library

http://digitalcollections.nypl.org/

Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")