You are free to use and copy openstreetmap so you could within a paint program delete it back in time in stages,I stages,If you know them,saving these backward developments. If you search the wiki you should find some out of copyright maps which may help. but please don't delete us back to 1805. good luck!

You are free to use and copy openstreetmap so you could within a paint program delete it back in time in stages,I you know them,saving these backward developments. If you search the wiki you should find some out of copyright maps which may help. but please don't delete us back to 1805. good luck!