Keywords: Survey monument JF00-072 surveyor plaque.JPG en Survey monument JF00-072 located on Nebraska-Kansas state line at intersection of Nebraska counties Thayer and Jefferson and Kansas counties Washington and Republic; marking the intersection of 40 degrees north latitude and the Sixth Principal Meridian Plaque placed by surveyors' organizations 2012-03-09 own Ammodramus cc-zero Uploaded with UploadWizard Pictures by Ammodramus Taken with Panasonic Lumix DMC-FZ20 Survey monument JF00-072 Kansas-Nebraska |