<div class="description">
Subjects: Coal mines and mining; Anthracite coal; Bituminous coal</div>
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<dl><dd>United States. Bureau of the census. [from old catalog]</dd>
<dd>Morrow, John D. A. [from old catalog]</dd>
<dd>Hourwich, Isaac A. (Isaac Aaronovich), 1860-1924</dd></dl></div>
Internet Archive identifier