| 31. | It was also considered to have been constructed prior to the 17th century drainage works of Vermuyden in the area.
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| 32. | During drainage work in 1955 a cow horn was found, about 4 feet ( 1.2 m ) below ground level.
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| 33. | Authorities also blamed decades of misguided drainage work in the once-swampy countryside that reduced the number of lakes and ponds.
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| 34. | Firms such as Bucyrus made models such as the RB10 which were popular for small building works and drainage work.
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| 35. | By the end of 2013, work began to shift underground utilities, build retaining walls and initiate grading and drainage work.
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| 36. | New fencing, mileposts and drainage works were progressing and it was hoped for track laying to start later in 2008.
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| 37. | Goldcliff Priory was established in 1113 and together with other major landowners took responsibility for further drainage work in the area.
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| 38. | Following these tubing and drainage works completed in 1933, a large packed soil road was erected over the stream in 1934.
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| 39. | The Bureau of Reclamation was responsible for rehabilitating the El Vado dam, the irrigation and drainage works and the river channel.
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| 40. | The area is noted for the discovery of a Bronze Age sword which was uncovered whilst drainage work was in progress.
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