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<p>Book digitized by Google from the library of University of Michigan and uploaded to the Internet Archive by user tpb.
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<br>Subjects: marl; ore; iron; geological; feet; marls; organic; calcareous; iron pyrites; ten feet; public domain; twenty feet; organic matter; large quantity; ore occurs; water boiled; marl grains; magnetic iron</div>
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New Jersey State Geologist,  New Jersey Geological Survey,  New Jersey Geological Survey</div>
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