In addition, he volunteered that gravel, granite, laterite and bitumen all abound in Ogun state, in addition to large quantities of sand. But this was only an incidental discovery because my original interest was to find out what is new about the laws and regulations governing sand mining in Nigeria today.
Method and cost of mining sand and gravel at the ... Method and cost of mining sand and gravel at the Farmington (Conn.) plant of the Atlas Sand, Gravel & Stone Co » More; method of mining in nigeria - shibang-china.com. This page is about method of mining in nigeria, click here to get more infomation about method of mining in nigeria. » More