coal mining estimation
Parametric estimation of capital costs for establishing a coal mine .parametric estimation for estimating capital costs of developing coal mines in a coal- producing country, using South Africa as a case study. A generic mining.coal mining estimation,New approach for estimating total mining costs in surface coal minescosts in surface coal mines. S. Shafiee*. 1 and E. Topal. 2. Accurate cost estimation is a critical component of mining project evaluation to determine whether.The estimation of the number of underground coal miners and the .Health Phys. 2007 Aug;93(2):127-32. The estimation of the number of underground coal miners and the annual dose to coal miners in China. Liu FD(1), Pan ZQ,.