// Gmsh project created on Thu Oct 06 12:20:11 2011
Point(1) = {215, 725, 0, 1.0};
Point(2) = {460, 650, 0, 1.0};
Point(3) = {40, 370, 0, 1.0};
Point(4) = {175, 315, 0, 1.0};
Point(5) = {25, 250, 0, 1.0};
Point(6) = {120, 245, 0, 1.0};
Point(7) = {25, 150, 0, 1.0};
Point(8) = {80, 130, 0, 1.0};
Point(9) = {-10, 90, 0, 1};
Point(10) = {0, 80, 0, 1.0};
Point(11) = {150,595,0, 1};
Point(12) = {370, 540, 0, 1};
Line(1) = {1, 2};
Line(2) = {2, 12};
Line(3) = {12, 11};
Line(4) = {11, 1};
Line(5) = {3, 11};
Line(6) = {12, 4};
Line(7) = {4, 3};
Line(8) = {3, 5};
Line(9) = {5, 6};
Line(10) = {6, 8};
Line(11) = {8, 7};
Line(12) = {7, 9};
Line(13) = {9, 10};
Line(14) = {10, 8};
Line(15) = {7, 5};
Line(16) = {6, 4};
Line Loop(17) = {2, 3, 4, 1};
//from street to CD2
Plane Surface(18) = {17};
Line Loop(19) = {6, 7, 5, -3};
//CD2-7
Plane Surface(20) = {19};
Line Loop(21) = {8, 9, 16, 7};
//CD7-9
Plane Surface(22) = {21};
Line Loop(23) = {10, 11, 15, 9};
//CD 9-12
Plane Surface(24) = {23};
Line Loop(25) = {12, 13, 14, 11};
//CD 12 to the end of BL10
Plane Surface(26) = {25};
Point(13) = {-1500, -1400, 0, 500};
Point(14) = {-1500, 2300, 0, 500};
Point(15) = {2000, 2300, 0, 500};
Point(16) = {2000, -1400, 0, 500};
Line(27) = {14, 15};
Line(28) = {15, 16};
Line(29) = {16, 13};
Line(30) = {13, 14};
Line Loop(31) = {27, 28, 29, 30};
Line Loop(32) = {1, 2, 6, -16, 10, -14, -13, -12, 15, -8, 5, 4};
//foreground surface
Plane Surface(33) = {31, 32};
//C+ on the evident sulphur water source
Point(17) = {180, 375, 0, 1};
//C- remote
Point(18) = {220, 710, -5, 1};
//P- remote
Point(19) = {440, 645, -5, 1};
Point{18,19} In Surface {18};
Point{17} In Surface {20};
Extrude {0, 0, -1000} {
  Surface{18,20,22,24,26,33}; Layers{{20,7,6},{0.2,0.4,1}}; Recombine;
}