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GIS Cartographer & Consultant, Freelance , with a great experience in Esri software (ArcObjects , Arcgis Server , Arcpad , ArcPy) , Open Source GIS, OGC Interoperability, OpenStreetMap.

Available for Geomatics consulting, training and support assignments.

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Hydropower Calculation

feb 28 at 21:13 whuber 42.4k