{ "culture": "en-US", "name": "Public_Land_Survey_System", "guid": "C6D2FE22-BC46-4608-B016-C1F2AA5FC7FA", "catalogPath": "", "snippet": "The Public Land Survey System uses Townships and Sections, and encompasses almost 1.5 billion acres of land beginning with the Land Ordinance of 1785. These surveys of townships and sections begin in Ohio and extend to all parts of the United States except the original thirteen colonies. There are approximately 2.6 million section corners, each located about a mile apart. PLSS assumes a flat earth, and earth curvature plus surveying errors leads to shape distortion in some areas. ", "description": "The Public Land Survey System uses Townships and Sections, and encompasses almost 1.5 billion acres of land beginning with the Land Ordinance of 1785. These surveys of townships and sections begin in Ohio and extend to all parts of the United States except the original thirteen colonies. There are approximately 2.6 million section corners, each located about a mile apart. PLSS assumes a flat earth, and earth curvature plus surveying errors leads to some very interesting "rectangles".