NGS Precise Horizontal - Precise Vertical | |
NGS Precise Horizontal - NonGeodetic Vertical | |
NGS Precise Horizontal - Lesser NonGeodetic Vertical | |
NGS Precise Horizontal - No Vertical | |
NGS NonGeodetic Horizontal - Precise Vertical | |
NGS NonGeodetic Horizontal - NonGeodetic Vertical | |
NGS NonGeodetic Horizontal - Lesser NonGeodetic Vertical | |
North Dakota 3rd Order Vertical | |
North Dakota State Engineer Vertical |