1. The primary underground mining method used was known as cut and fill . 2. The ore is mined by'flatbacking', which is a form of cut and fill mining. 3. Only about 100 m was done by tunneling-the remainder was all cut and fill . 4. Substantial areas of cut and fill were required as the railroad ascended the prairie. 5. Operators were unfamiliar with the techniques associated with dozing, scraping, cut and fill ops, and grading. 6. Finally, the unfinished railroad grade offered cuts and fills that could be used as ready-made entrenchments. 7. The original bushland was bulldozed, and exhibition homes were built on cut and fill sites, then landscaped. 8. Some researchers have mentioned the storage effect in urban areas with transportation corridors created by cut and fill . 9. The machine found a niche in civil engineering, where it was used to solve cut and fill problems. 10. The railroad was authorized to build a right of way in width, modified as necessary for cuts and fills .
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