Rail road construction on post stamp

Keywords:

collection, canceled, stamp, picture, communications, postage, mail, post, postmark, label, letter, retro, vintage, USSR, russian, Russia, soviet, green, rut, railway, service, geography, national, work, metal, locomotive, rail, railroad, train, laying, construction, track, plotting, diesel, engine, sleeper, tie, transport, transportation, rapid, shipment, route, traffic, cargo, motion, movement, trip, way, path,