boulders

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Drift boulders between the Mohawk and Susquehanna rivers
Albert Perry Brigham

American Journal of Science March 1895, s3-49 (291) 213-228; DOI: https://doi.org/10.2475/ajs.s3-49.291.213
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On the occurrence of a quartz bowlder in the Sharon coal of northeastern Ohio
Edward Orton

American Journal of Science July 1892, s3-44 (259) 62-63; DOI: https://doi.org/10.2475/ajs.s3-44.259.62
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Rounded boulders at high altitudes along some Appalachian rivers
Israel Charles White

American Journal of Science November 1887, s3-34 (203) 374-381; DOI: https://doi.org/10.2475/ajs.s3-34.203.374
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On a boulder and glacial scratches at Englewood, New Jersey
William Buck Dwight

American Journal of Science January 1866, s2-41 (121) 10-11; DOI: https://doi.org/10.2475/ajs.s2-41.121.10

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