In this paper is presented methodology of economical analysis of work conditions at certain queries with results of discounted cash flow analysis through observed exploitation periods. Through this analysis are gained the following indexes: net present value of mining project, internal rate of return and discounted average costs, like results of te...

By Владимир Малбашиић, Жељка Марин

Underground exploation coal is performance in natural environment in wich provoke change, prevalent negative on environment. From our and foreign practice undergrounde exploatation coal is evidence influence up on air, water, land and facilities and surrounding live world. Following and systematic records of change is obvious damage effect, which m...

By Mirko Ivković