Humboldt River Valley Lassen's Meadows Nevada RR 1861 early fine birds-eye viewValley of the Humboldt River at Lassen's Meadows. (Old Prints, 19th Century Prints, Americana, Stansbury Expedition, Nevada, Humboldt River Valley, Lassen's Meadows, Landscape View, Panoramic View). Issued 1861, Washington, D. C. by Selmar Siebert's Engraving & Printing Establishment. Civil War era mid 19th century engraved landscape panoramic birds eye view. Below the view numerous features are identified which includes the camps used by the survey