American Journal of Science: s3-47 (280)

April 1894; Volume s3-47,Issue 280

Quaternary geology

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Further studies of the drainage features of the upper Ohio Basin
Thomas Chrowder Chamberlin and Frank Leverett

American Journal of Science April 1894, s3-47 (280) 247-283; DOI: https://doi.org/10.2475/ajs.s3-47.280.247

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An apparatus to show, simultaneously to several hearers, the blending of the sensations of interrupted tones
A. M. Mayer

American Journal of Science April 1894, s3-47 (280) 283-285; DOI: https://doi.org/10.2475/ajs.s3-47.280.283

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The post-Eocene formations of the Coastal Plain of Alabama
Eugene Allen Smith

American Journal of Science April 1894, s3-47 (280) 285-296; DOI: https://doi.org/10.2475/ajs.s3-47.280.285
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On the occurrence of Olenellus in the Green Pond Mountain series of northern New Jersey, with a note on the conglomerates
Charles Doolittle Walcott

American Journal of Science April 1894, s3-47 (280) 309-311; DOI: https://doi.org/10.2475/ajs.s3-47.280.309

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Variscite from Utah
Robert Lawrence Packard

American Journal of Science April 1894, s3-47 (280) 297-298; DOI: https://doi.org/10.2475/ajs.s3-47.280.297
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Contributions to the crystallization of willemite
Samuel Lewis Penfield

American Journal of Science April 1894, s3-47 (280) 305-309; DOI: https://doi.org/10.2475/ajs.s3-47.280.305
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Notes on nickeliferous pyrite from Murray Mine, Sudbury, Ont
Thomas Leonard Walker

American Journal of Science April 1894, s3-47 (280) 312-314; DOI: https://doi.org/10.2475/ajs.s3-47.280.312

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The appendages of the pygidium of Triarthrus.
Charles Emerson Beecher

American Journal of Science April 1894, s3-47 (280) 298-300; DOI: https://doi.org/10.2475/ajs.s3-47.280.298
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On the geological position of the Eocene deposits of Maryland and Virginia
Gilbert Dennison Harris

American Journal of Science April 1894, s3-47 (280) 301-304; DOI: https://doi.org/10.2475/ajs.s3-47.280.301