Ключевые слова: ab, abrasion, ancient, backdrop, background, beautiful, bedrock, blue, canada, columbia icefield, detail, environment, erosion, evidence, geological feature, geology, glacial, glacier, gouged, gray, ground, grunge, ice age, icefalls, icefield, landscape, material, mountain, nature, no people, old, outdoor, outdoors, pattern, retreat, rock formation, rough, saskatchewan glacier, scenic, science, scraped, scratched, sky, surface, texture, tourism, track, travel, vintage,