Lodge-pole pines (Pinus contorta Douglas ex Loudon): two trees in open landscape. Coloured lithograph, c.1857. https://www.rawpixel.com/image/13965786/image-plant-tree-artFree Image from public domain licenseOak tree (Quercus hindsii) with person lying at its base. Coloured lithograph, c.1857. https://www.rawpixel.com/image/13952038/image-plant-person-treeFree Image from public domain licenseManzanita tree (Arctostaphylos pungens Kunth) in open landscape. Coloured lithograph, c.1857. https://www.rawpixel.com/image/13951777/image-plant-tree-artFree Image from public domain licensePonderosa pine (Pinus ponderosa Douglas ex Lawson & P. Lawson): two trees in open landscape. Coloured lithograph, c.1857. https://www.rawpixel.com/image/13962317/image-plant-tree-artFree Image from public domain licenseOregon Spotted Frog frog amphibian wildlife. AI generated Image by rawpixel. https://www.rawpixel.com/image/12824027/oregon-spotted-frog-frog-amphibian-wildlife-generated-image-rawpixelView licenseOregon Spotted Frog frog amphibian wildlife. AI generated Image by rawpixel. https://www.rawpixel.com/image/12824035/oregon-spotted-frog-frog-amphibian-wildlife-generated-image-rawpixelView licenseOregon Spotted Frog frog amphibian wildlife. AI generated Image by rawpixel. https://www.rawpixel.com/image/12824024/oregon-spotted-frog-frog-amphibian-wildlife-generated-image-rawpixelView licenseRock Bluff and The Columbia River, Oregon by Carleton Watkins https://www.rawpixel.com/image/14277826/rock-bluff-and-the-columbia-river-oregon-carleton-watkinsFree Image from public domain licenseA Stage Road to "Cloud Cap Turn" at the Timber Line on Mount Hood by J F Ford https://www.rawpixel.com/image/14321360/stage-road-cloud-cap-turn-the-timber-line-mount-hood-fordFree Image from public domain license