<1> | Our distances are not driving distances, but are calculated as a 'straight-line' distance. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Blind Slough) to Point B.Our distance measurements begin at a specific point in Blind Slough. The point we use is located at these GPS coordinates - Latitude: 46.2018, Longitude: -123.5624 In this case, the coordinates for Blind Slough have been provided by the Geographic Names Information System (GNIS). |