I am attempting to place a 10X10 grid over 400 30mX30m polygon squares. I have been successful using the create fishnet tool in arcGIS to create a polyline grid feature within a specified polygon but only if the polygon is in its own shapefile. I used the split layer by attribute tool that I found on this site to create 400 separate shapefiles but have not found a way to create a fishnet over each polygon all at once. I am dreading performing this function 400 times. Please help!
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