Analysis of information sources in references of the Wikipedia article "Josiah White" in English language version.
On the settled eastern seaboard, forest decimation created an energy crisis for coastal cities, but the lack of water- and roadways made English coal shipped across the Atlantic cheaper in Philadelphia than Pennsylvania anthracite, which was mined 100 miles away.... George Washington, Benjamin Franklin, and other founding fathers believed they were the key to the New World's future.
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(help)CS1 maint: location (link) CS1 maint: location missing publisher (link), p46, "At that time wood was the universal fuel, and, was annually getting scarcer and higher in, price."