British National Grid  
m
1
328392.77;493159.31;328392.77;493159.31;1
326742.58;492654.17;326755.25;492653.66;1
327080.13;492957.76;327079.34;492969.03;1
326505.65;492098.79;326513.44;492107.76;1
328069.88;491639.79;328069.88;491639.79;1
328864.55;490113.91;328864.55;490113.91;1
328554.22;489340.88;328560.72;489349.75;1
327690.23;488216.77;327694.44;488236.81;1
326814.33;488207.65;326822.84;488226.49;1
325027.31;488470.93;325018.63;488474.64;1
325579.41;488926.05;325565.25;488927.87;1
325930.68;487605.54;325940.36;487607.62;1
325973.81;487109.14;325984.60;487115.51;1
324912.92;487048.99;324923.58;487037.10;1
325980.78;486867.64;325987.86;486868.13;1
325569.07;486297.13;325577.94;486290.73;1
326590.52;484888.45;326590.43;484889.85;1