the biophysical effect of quarrying activity on the environment in ethiopia
A total of 87 per cent of studied quarries represent serious hazards to groundwater quality In general a total of 272 quarries have high impact 657 quarries have moderate impact and 349 quarries have low impact on natural ecosystems Analyzed data revealed that around 62 per cent of the quarries are located in a highly unsuitable environment...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.