#mining_1 { 
	width:618px;
	height:400px;
	position:absolute;
	background-image:url(../images/mining_reclamation_LULC.jpg);
	margin:0 auto;
	}	
	
#mining_2 { 
	width:618px;
	height:400px;
	position:absolute;
	background-image:url(../images/mining_reclamation_NIR.jpg);
	margin:0 auto;
	}	
	
#mining_3 { 
	width:618px;
	height:400px;
	position:absolute;
	background-image:url(../images/mining_reclamation_pan.jpg);
	margin:0 auto;
	}	
	
#mining_4 { 
	width:618px;
	height:400px;
	position:absolute;
	background-image:url(../images/mining_reclamation_RGB.jpg);
	margin:0 auto;
	}