Answer: In some parts of the world, windblown dust and silt blanket the land. This layer of fine, mineral-rich material is called loess. Loess is mostly created by wind, but can also be formed by glaciers. When glaciers grind rocks to a fine powder, loess can form.
The answer is steamboats! The first steamboat came year 1807 and was invented by John Fitch:)
Can you be more specific thanks
Western cape, south Africa