Understanding the Sand and Gravel Business
300 feet by 300 feet contains sand and gravel. Test pit E is excavated but no sand and gravel are found. This means the gravel deposit ends somewhere between B and E. It can be assumed the gravel material stops halfway, or in this case, 150 feet from B.sand making machine manufacturer in zambia Fote Mining Machinery Co. This process is repeated in the test area until the outline of the gravel deposits is ...