Ua hoʻohana ʻia ʻelua mau kaha dredges ʻo Ellicott® i mea e kōkua ai i ka wehe ʻana i ke kahawai hoʻokele i Grand Traverse Harbour ma Michigan, kahi papahana i hoʻopau ʻia i Iulai Iulai 2020. Ua kāpikipiki ʻia ke awa me ke one paʻi, ʻeleʻele a ʻeleʻele pōhaku hina pōhaku i koe mai ka hana mōʻaukala. o ka oka. I loko o nā kenekulia 19 a me 20, ua hana nā mīkini wili hakahaka ma ke Keweenaw Peninsula i 25 miliona mau tona o nā ʻōpala, i waiho ʻia ma ke kānāwai ma kahi o Lake Superior. Kaʻi a me nā kahe ma luna o ka ...
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