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The American journal of science (1903) (18148418482)

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Title: The American journal of science

Identifier: americanjourna4161903newh (find matches)

Year: 1880 (1880s)

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Subjects: Science

Publisher: New Haven : J. D. & E. S. Dana

Contributing Library: Smithsonian Libraries

Digitizing Sponsor: Biodiversity Heritage Library

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314 Brannev—Geology of the Hawaiian Islands.

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Well horings on Oahu.— Several records of wells bored for water near Hon- olulu are given by Dana and Hitchcock.* In addi- tion I have, with the aid of Mr. Fred E. Harvey of the Government Survey, been able to collect several others, and these records, about for- ty in all, have been plotted to scale for the purpose of attempting a correlation of the beds penetrated. It was found that the characters of the materials .passed through as rej^orted are not sufficient to warrant corre- lation. Herewith are given four of the sections that appear to resemble each other closely. They are all in the city of Honolulu. The enormous quantity of water flowing or being pumped from the wells on Oahu aiford a valuable con- tribution to our knowledge of subterranean waters. It is to be noted that in every instance the wells penetrate beds of coral or other cal- careous rocks. These rocks appear to be built round the volcanic core of the islands, but they are sometimes in- terbedded with lavas, tuffs, or water-worn bowlders. The chief rainfall is in the mountains, but the waters follow down the valleys, sink into porous beds that occupy the lower ends of the valleys and pass seaward as underground waters. It * Geology of Oalm. Bui. Geol. Soc. Amer., xi, 15-17.

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1903
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american journal of science 1903 book illustrations natural history biological sciences geology science images from internet archive