The plats of all cities and towns which have heretofore been laid off or which may hereafter be laid off on the public lands within this state shall be filed with the register and recorded as aforesaid, which plats shall accurately set forth the streets, squares, alleys, parks and avenues, and the width and extent thereof, which are intended for public use; and when so filed they shall be deemed a sufficient conveyance of such streets, squares, alleys, parks and avenues to such purposes; and any person occupying or in any wise obstructing such streets, squares, alleys, parks or avenues shall be held liable for damages as if such streets, squares, parks or avenues had been absolutely conveyed to public use, as specified in Kan. Stat. Ann. § 12-406.