Table of Contents

Articles

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  Some types of polygonal surface markings in Spitsbergen

  O. Gatty, W. L. S. Fleming and J. M. Edmonds

  American Journal of Science February 1942, 240 (2) 81-92; DOI: https://doi.org/10.2475/ajs.240.2.81
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  Radioactivity of ocean sediments; Part 5, Concentrations of the radio-elements and their significance in red clay

  William Donald Urry and Charles Snowden Piggot

  American Journal of Science February 1942, 240 (2) 93-103; DOI: https://doi.org/10.2475/ajs.240.2.93
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  A laotirid from the Upper Cambrian of Wyoming

  Kenneth Edward Caster

  American Journal of Science February 1942, 240 (2) 104-112; DOI: https://doi.org/10.2475/ajs.240.2.104
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  Glacier thinning during deglaciation; Part 2, Glacier thinning inferred from geologic data

  Richard Foster Flint

  American Journal of Science February 1942, 240 (2) 113-136; DOI: https://doi.org/10.2475/ajs.240.2.113
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  The age and fossils of the Olentangy shale of central Ohio

  Roger Crane Baker

  American Journal of Science February 1942, 240 (2) 137-143; DOI: https://doi.org/10.2475/ajs.240.2.137
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  Is the land around Hudson Bay at present rising?

  Harold Caswell Cooke

  American Journal of Science February 1942, 240 (2) 144-146; DOI: https://doi.org/10.2475/ajs.240.2.144
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  Is the land around Hudson Bay at present rising?

  Beno Gutenberg

  American Journal of Science February 1942, 240 (2) 147-149; DOI: https://doi.org/10.2475/ajs.240.2.147