Laserfiche WebLink
~~ Table 2.7-4. Changes in particle size of Trapper Mine overburden from artificial <br />weathering, 1974. <br />Portion Of <br />The Permit <br />Area <br />Type Of <br />Material Changes in <br />+4.76 mm <br />X Increase in <br />-0.053 ~ <br />X <br />Western sandstone 54 16 <br /> <br /> siltstone <br /> shale 70 37 <br />Eastern sandstone 62 21 <br /> <br /> siltstone <br /> shale 76 48 <br />Both All Types 69 34- <br /> <br />2-366 <br />