На верхнем поле: Рисунок IV-13. Выступления в У.В. Депте. Комплексное исследование бассейна реки Потомак. "Источники: Департамент природных ресурсов Западной Вирджинии, Департамент экономического развития Вирдж Еще
Pennsylvania stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who Еще
Pennsylvania stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who Еще
Pennsylvania stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who Еще
Public domain image related to an industrial revolution, industry history, factory building, 19th century, free to use, no copyright restrictions image - Picryl description.
Pennsylvania stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who Еще
Pennsylvania stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who Еще