Information about how to manually create a rectilinear grid is coming soon! <!– This can be done to create blank rectilinear grids. If the grid is not rectilinear:
- if it has a paper map index: scan and trace
- if it does not have a paper map index, but it does have lat long at the corners: create spreadsheet with lat and long columns
- if it does not have a paper index nor a lat long at the corners, then use geojson.io or QGIS to create the index manually –>