The Cement Plant of Yaoxian County, a large state model interprise, has caused sedimentition downhill movement because it has not taken efficient measures to hold a large amount of stripped loess soil and mountsin cover while as in mining. The released sedimentation has deposited in a reservior, covered fields, blocked traffic, increased the sediment concentratiou to the river channel and threatened the production and living of the local inhabitanbs. The plant has been fined 200,000 Yuan RMB under the Rules for Conservation Work and Critical Regulations on Controlling Cultivation in Wasteland for Good Conservation Work in Capital Construction——Mining, Roadbuildiug, etc. promulgated by the government of Shaanxi Province. Some of the fine was paid for the loss to the local, the others given to the local department of conservation, being used in the comprehensive controlling for soil and water conservation. The plant is also required to take good practice to prevent the new erosion in the continually mining production.