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Road ecology blog: Viaduct, East of Itatinga, BR-374, São Paulo, Brazil

December 01, 2014 - Road ecology blog: Viaduct, East of Itatinga, BR-374, São Paulo, Brazil. Long bridges or viaducts that are higher than...
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Road ecology blog: Straw fiber rolls to control erosion on a road cut, Hwy 87, Arizona, USA

July 12, 2013 - Road ecology blog: Straw fiber rolls to control erosion on a road cut, Hwy 87, Arizona, USA. Click here for more images...
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