Stock photography, photos: Prairie Grass in Snow Stock photos of Prairie grass casts shadows on the snow. Photograph: © Matthew Thalman Click for a larger image and more information Keywords associated with this stock photo: America, Buffalo River, Buffalo River State Park, ecology, ecosystem, environment, environmentalism, grassland, habitat, land, landscape, light, lighting, Minnesota, nature, North America, park, parks, prairie, scenery, scenic, season, shadow, shadowed, snow, snowing, SP, State Park, State Parks, United States of America, US, USA, weather, Winter, winter solstice