Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 661
abouttwenty-five feet, attach themselves to the bouldersstrewn along the ocean floor. Where the growthsare fastened to the rocks they branch out andpartly encircle the boulders in a tenacious forma-tion resembling basketwork. While these rock-anchors serve to meet thedemands of ordinary conditions,… … BOULDERS PARTLY ENCIRCLED BY SEAWEED. must elapse before a bed thus destroyed can beentirely replaced by a new growth. These seaweeds are very rich in phosphates, andit is possible that they will have a great commer-cial value when a process has been worked outfor the economical extraction of the…
Children's literature
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