Available Works › Platte River Gold - 8 x 12 in Image 1 of 2 Image 2 of 2 Platte River Gold - 8 x 12 in $450.00 Painted en plein air along the Platte River, Platte River Gold captures warm reflected light and autumn color moving through the river corridor.Original soft pastel painting8 x 12 inCreated along the Platte River in ColoradoUnframedSee my blog post for more of the story behind this painting. Add To Cart Added! Painted en plein air along the Platte River, Platte River Gold captures warm reflected light and autumn color moving through the river corridor.Original soft pastel painting8 x 12 inCreated along the Platte River in ColoradoUnframedSee my blog post for more of the story behind this painting.