| http://www.w3.org/ns/prov#value | - However, improvements in sternwheel maneuverability and increases in power???combined with increasing improvement of the waterways by dredging, snag removal, and electric light channel marking???made the larger rivers such as the Arkansas, the lower White, and Red efficient for the transport of bulk cargoes such as iron, grain, construction materials, chemicals, gravel, sand, and coal.
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