> 2.5 contour -Z2.5
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> 5 contour -Z5
-130.4549	51.4316230206	5
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> 7.5 contour -Z7.5
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-130.143290784	51.2309920354	7.5
-130.139606858	51.2143460177	7.5
-130.138439462	51.1977	7.5
-130.139690821	51.1810539823	7.5
-130.143460294	51.1644079646	7.5
-130.150045317	51.1477619469	7.5
-130.1549	51.1392484474	7.5
-130.159521638	51.1311159292	7.5
-130.171566667	51.1154499462	7.5
-130.172347345	51.1144699115	7.5
-130.188233333	51.0984280471	7.5
-130.18887962	51.0978238938	7.5
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-130.210129422	51.0811778761	7.5
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-130.4049	51.0264847807	7.5
-130.421566667	51.0268353074	7.5
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-130.521566667	51.043892582	7.5
-130.532902621	51.0478858407	7.5
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-130.599670889	51.0811778761	7.5
-130.6049	51.0849139913	7.5
-130.620919685	51.0978238938	7.5
-130.621566667	51.0984287337	7.5
-130.637450775	51.1144699115	7.5
-130.638233333	51.1154523909	7.5
-130.650275835	51.1311159292	7.5
-130.6549	51.1392534282	7.5
-130.659751884	51.1477619469	7.5
-130.666337123	51.1644079646	7.5
-130.670106727	51.1810539823	7.5
-130.671358119	51.1977	7.5
-130.670190666	51.2143460177	7.5
-130.666506625	51.2309920354	7.5
-130.660009525	51.2476380531	7.5
-130.6549	51.2566575584	7.5
-130.650593949	51.2642840708	7.5
-130.638233333	51.280412869	7.5
-130.637822532	51.2809300885	7.5
-130.621566667	51.297361453	7.5
-130.621337138	51.2975761062	7.5
-130.6049	51.310811413	7.5
-130.600118847	51.3142221239	7.5
-130.588233333	51.321971748	7.5
-130.572154999	51.3308681416	7.5
-130.571566667	51.3311813767	7.5
-130.5549	51.3392577356	7.5
-130.538233333	51.3458441617	7.5
-130.533290371	51.3475141593	7.5
-130.521566667	51.3516235041	7.5
-130.5049	51.3564633984	7.5
-130.488233333	51.3603094055	7.5
-130.471566667	51.3632853431	7.5
-130.465123323	51.364160177	7.5
-130.4549	51.3657215637	7.5
> 10 contour -Z10
-130.488233333	51.3179067618	10
-130.471566667	51.3222766037	10
-130.4549	51.325487748	10
-130.438233333	51.3276803685	10
-130.421566667	51.3289553466	10
-130.4049	51.3293735296	10
-130.388233333	51.328955297	10
-130.371566667	51.3276802882	10
-130.3549	51.325487622	10
-130.338233333	51.3222764355	10
-130.321566667	51.3179065284	10
-130.310517058	51.3142221239	10
-130.3049	51.3123775323	10
-130.288233333	51.3056662107	10
-130.272370778	51.2975761062	10
-130.271566667	51.2971351199	10
-130.2549	51.2866530947	10
-130.247156471	51.2809300885	10
-130.238233333	51.2731008291	10
-130.229205074	51.2642840708	10
-130.221566667	51.2545117122	10
-130.216453579	51.2476380531	10
-130.207899374	51.2309920354	10
-130.2049	51.2207104365	10
-130.202967951	51.2143460177	10
-130.201309672	51.1977	10
-130.203035072	51.1810539823	10
-130.2049	51.1749840743	10
-130.208022286	51.1644079646	10
-130.216637792	51.1477619469	10
-130.221566667	51.1411535644	10
-130.229430335	51.1311159292	10
-130.238233333	51.1225231625	10
-130.247410803	51.1144699115	10
-130.2549	51.1089288538	10
-130.271566667	51.0984085259	10
-130.272630323	51.0978238938	10
-130.288233333	51.0898454448	10
-130.3049	51.083102869	10
-130.310739958	51.0811778761	10
-130.321566667	51.0775540695	10
-130.338233333	51.0731624842	10
-130.3549	51.069935217	10
-130.371566667	51.0677315475	10
-130.388233333	51.0664501302	10
-130.4049	51.0660297942	10
-130.421566667	51.0664500806	10
-130.438233333	51.0677314592	10
-130.4549	51.069935082	10
-130.471566667	51.0731622823	10
-130.488233333	51.0775538103	10
-130.499060909	51.0811778761	10
-130.5049	51.0831025634	10
-130.521566667	51.0898450543	10
-130.537170527	51.0978238938	10
-130.538233333	51.0984080546	10
-130.5549	51.1089282545	10
-130.562390044	51.1144699115	10
-130.571566667	51.1225223787	10
-130.580370442	51.1311159292	10
-130.588233333	51.1411526308	10
-130.593162801	51.1477619469	10
-130.601778079	51.1644079646	10
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-130.608490426	51.1977	10
-130.606832217	51.2143460177	10
-130.6049	51.2207113061	10
-130.601900943	51.2309920354	10
-130.593346943	51.2476380531	10
-130.588233333	51.2545125591	10
-130.580595631	51.2642840708	10
-130.571566667	51.2731015563	10
-130.562644311	51.2809300885	10
-130.5549	51.2866536424	10
-130.538233333	51.2971355565	10
-130.537430013	51.2975761062	10
-130.521566667	51.3056665689	10
-130.5049	51.3123778092	10
-130.499283728	51.3142221239	10
-130.488233333	51.3179067618	10
> 12.5 contour -Z12.5
-130.438233333	51.2978147007	12.5
-130.421566667	51.2996506493	12.5
-130.4049	51.3002526568	12.5
-130.388233333	51.2996505784	12.5
-130.371566667	51.2978145721	12.5
-130.370256319	51.2975761062	12.5
-130.3549	51.2948902681	12.5
-130.338233333	51.2905786974	12.5
-130.321566667	51.2846155914	12.5
-130.313412272	51.2809300885	12.5
-130.3049	51.2767057116	12.5
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-130.285421536	51.2642840708	12.5
-130.271566667	51.2517337909	12.5
-130.267575765	51.2476380531	12.5
-130.256198505	51.2309920354	12.5
-130.2549	51.2276927929	12.5
-130.249679044	51.2143460177	12.5
-130.247588464	51.1977	12.5
-130.249728116	51.1810539823	12.5
-130.2549	51.1679173498	12.5
-130.256289735	51.1644079646	12.5
-130.267706553	51.1477619469	12.5
-130.271566667	51.1438028593	12.5
-130.285573334	51.1311159292	12.5
-130.288233333	51.1291880879	12.5
-130.3049	51.1187767127	12.5
-130.313561222	51.1144699115	12.5
-130.321566667	51.1108434163	12.5
-130.338233333	51.1048600343	12.5
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-130.370336498	51.0978238938	12.5
-130.371566667	51.0975992437	12.5
-130.388233333	51.0957563567	12.5
-130.4049	51.0951520179	12.5
-130.421566667	51.0957562949	12.5
-130.438233333	51.0975991147	12.5
-130.439464233	51.0978238938	12.5
-130.4549	51.1005328934	12.5
-130.471566667	51.1048597773	12.5
-130.488233333	51.11084307	12.5
-130.496239603	51.1144699115	12.5
-130.5049	51.1187762653	12.5
-130.521566667	51.1291874878	12.5
-130.52422751	51.1311159292	12.5
-130.538233333	51.1438019947	12.5
-130.542094316	51.1477619469	12.5
-130.553511102	51.1644079646	12.5
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-130.560072726	51.1810539823	12.5
-130.562212352	51.1977	12.5
-130.560121775	51.2143460177	12.5
-130.5549	51.2276947862	12.5
-130.553602269	51.2309920354	12.5
-130.542225045	51.2476380531	12.5
-130.538233333	51.2517345997	12.5
-130.524379282	51.2642840708	12.5
-130.521566667	51.266320653	12.5
-130.5049	51.2767061492	12.5
-130.496388529	51.2809300885	12.5
-130.488233333	51.2846159255	12.5
-130.471566667	51.2905789365	12.5
-130.4549	51.2948904427	12.5
-130.439544411	51.2975761062	12.5
-130.438233333	51.2978147007	12.5
> 15 contour -Z15
-130.4549	51.2680970591	15
-130.438233333	51.2722479289	15
-130.421566667	51.2746343157	15
-130.4049	51.2754123455	15
-130.388233333	51.2746342224	15
-130.371566667	51.2722477567	15
-130.3549	51.2680968011	15
-130.344313636	51.2642840708	15
-130.338233333	51.2617865276	15
-130.321566667	51.2526357182	15
-130.314370056	51.2476380531	15
-130.3049	51.2386535584	15
-130.297999874	51.2309920354	15
-130.289323065	51.2143460177	15
-130.288233333	51.2077928704	15
-130.286570978	51.1977	15
-130.288233333	51.1877362727	15
-130.289358598	51.1810539823	15
-130.298066131	51.1644079646	15
-130.3049	51.156825752	15
-130.314455892	51.1477619469	15
-130.321566667	51.1428202948	15
-130.338233333	51.1336534503	15
-130.344400536	51.1311159292	15
-130.3549	51.1273270903	15
-130.371566667	51.1231656591	15
-130.388233333	51.1207728905	15
-130.4049	51.119992674	15
-130.421566667	51.1207728042	15
-130.438233333	51.1231654919	15
-130.4549	51.127326838	15
-130.465400295	51.1311159292	15
-130.471566667	51.1336530763	15
-130.488233333	51.1428197844	15
-130.495344906	51.1477619469	15
-130.5049	51.1568248988	15
-130.511734687	51.1644079646	15
-130.520442226	51.1810539823	15
-130.521566667	51.1877313108	15
-130.523229864	51.1977	15
-130.521566667	51.2077978958	15
-130.52047776	51.2143460177	15
-130.511800948	51.2309920354	15
-130.5049	51.2386544216	15
-130.495430764	51.2476380531	15
-130.488233333	51.25263625	15
-130.471566667	51.2617869086	15
-130.465487207	51.2642840708	15
-130.4549	51.2680970591	15
> 17.5 contour -Z17.5
-130.421566667	51.2499880939	17.5
-130.4049	51.2511020672	17.5
-130.388233333	51.2499879793	17.5
-130.376648295	51.2476380531	17.5
-130.371566667	51.2463713677	17.5
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-130.341729377	51.2309920354	17.5
-130.338233333	51.2274025723	17.5
-130.328143961	51.2143460177	17.5
-130.324041221	51.1977	17.5
-130.328168471	51.1810539823	17.5
-130.338233333	51.1680413624	17.5
-130.341773688	51.1644079646	17.5
-130.3549	51.1561457074	17.5
-130.371566667	51.1490434168	17.5
-130.376700592	51.1477619469	17.5
-130.388233333	51.1454190181	17.5
-130.4049	51.1443030071	17.5
-130.421566667	51.1454189223	17.5
-130.43310027	51.1477619469	17.5
-130.438233333	51.1490431549	17.5
-130.4549	51.1561452932	17.5
-130.468027147	51.1644079646	17.5
-130.471566667	51.1680404446	17.5
-130.481632345	51.1810539823	17.5
-130.485759626	51.1977	17.5
-130.481656869	51.2143460177	17.5
-130.471566667	51.2274035328	17.5
-130.468071507	51.2309920354	17.5
-130.4549	51.2392782101	17.5
-130.438233333	51.2463716534	17.5
-130.433152663	51.2476380531	17.5
-130.421566667	51.2499880939	17.5