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2. Brockmann, R. John. Exploding Steamboats, Senate Debates, and Technical Reports: The Convergence of Technology, Politics and Rhetoric in the Steamboat Bill of 1838. Amityville, NY: Baywood, 2002.
3. Brower, Michael C., et al. Powering the Midwest: Renewable Electricity for the Economy and the Environment. Cambridge, MA: Union of Concerned Scientists, 1993. UCS (accessed 3 March 2003).