What format is groundwater data offered in?

Moraine groundwater are presented as asc files (ASCII grid). The asc file is a raster dataset similar to an image, where each pixel value represents an elevation value rather than a colour. Each of th...

I’ve purchased adjacent tiles of parcel and they’re polylines clipped at the tile boundary, but I want full parcels as polygons. How can I connect line work from adjacent tiles together to complete the parcels which cross the tile boundary into single features and/or convert the geometry to polygons?

Polygons would not be a good representation of the data in this case because the geometry of the parcels is clipped to the boundary of the tiles, so the area, perimeter, and parcel boundaries of the p...