field studies

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Sir Charles Lyell
Anonymous

American Journal of Science October 1875, s3-10 (58) 269-276; DOI: https://doi.org/10.2475/ajs.s3-10.58.269
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A sketch of the life and scientific services of John Evans, M.D., U. S. geologist for Oregon and Washington territories, and of the U. S. Chiriqui exploring expedition
Charles T. Jackson

American Journal of Science November 1861, s2-32 (96) 311-318; DOI: https://doi.org/10.2475/ajs.s2-32.96.311
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Geographical notices; No. XI; Biographical Sketch of Carl Ritter; Lentz's Report on his Explorations in Persia and Afghanistan, Schlagintweit's Ethnographical Collections, A. Schlagintweit's Death in Turkistan, Letter from Dr. Livingstone, Krapf's Residence and Travel's in Eastern Africa, Speke's Explorations in Eastern Africa, H. Schlagintweit on the Salt Lakes of the Himalayas, Journal of the Roy. Geographical Soc. of London
Daniel C. Gilman

American Journal of Science March 1860, s2-29 (86) 221-248; DOI: https://doi.org/10.2475/ajs.s2-29.86.221