I'm kind of new to GIS, so I may not have all the terminology right, but I'm hoping someone can help.
I have a table of data (concentration of chemical X) and each reading is referenced to a grid number. I have a shapefile that gives these grids a location and I can create a map with the grids on it.
I am looking for a way to use the shapefile (or a derivative of it that contains the geography) as a address locator of sorts to match each of the data points to the grid in which it was collected.
Any help or guidance would be greatly appreciated, thanks.