| http://www.w3.org/ns/prov#value | - s and ranches and in mines in the area.Early examples of horse- and mule-drawn farm equipment and wagons are on display along with some of the earliest known steam powered engines and tractors.Before diesel, before kerosene, before gasoline, there was steam power, harnessing the energy produced inside large boilers fired by wood or coal.While people are familiar with steam locomotives used by the
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