Beach: A River of Sand, The

Shows that beaches are composed of tiny shells, pebbles, or sand (small crystals of feldspar and quartz). Contrasts the action of summer waves with that of winter: the calm waves of summer deposit and smooth the beach; whereas those of winter dig at the beach. (Earth Science series)
Complete catalog record

Related films

Sources

  1. 16mm Filmography (legacy record) — title, year, creator, length, format, color, description, catalog record