The 3-year project provided the NRCS and its customers with new 10-meter DEMs not currently available within their data stores or at the USGS. Source data included existing government data sets, open source data files and customized data created by team of analysts. We collected hydrography data which was used to guide enforce stream flow and ensure lakes and large rivers maintained flat surfaces at published or acceptable elevations. A unique aspect of the GTRSystems approach to producing DEMs is the generation of interpolated heights along vector streams and including these values directly into the elevation grid generation phase.