top     bot     xdim    ydim    area    terrHt  bot-terrHt
10.0	9.75	0.1	0.05	55.16	0.0	9.75	


10.75	10.25	0.05	0.1	56.15	0.0	10.25	





12.25	12.25	0.1	0.05	59.69	0.045	12.205	
14.0	12.75	0.1	0.05	59.69	0.045	12.705	



10.5	10.25	0.1	0.05	51.07	0.0	10.25