x0=9.555000 y0=5.896667 label="Chalk" xt=.000000 yt=.000000 lab_color=7 boxit=0
x0=9.843333 y0=4.818333 label="Liassic" xt=.000000 yt=.000000 lab_color=7 boxit=0
x0=10.343333 y0=3.218333 label="Triassic" xt=.000000 yt=.000000 lab_color=7 boxit=0
x0=7.443333 y0=5.433333 label="Salt" xt=.000000 yt=.000000 lab_color=7 boxit=0
x0=9.671667 y0=7.378334 label="Tertiary" xt=.000000 yt=.000000 lab_color=7 boxit=0
x0=8.766667 y0=8.726666 label="Sand" xt=.000000 yt=.000000 lab_color=7 boxit=0