In an EMP attack, or a major power grid failure, GPS systems would be out of service along with cell phones and other electronic communication systems. So all you rely on today for getting from one place to another will be rendered useless and all you’ll have left is your knowledge and your skills.

That is if you have them, because not a lot of us have ever been put in a situation where they had to get from A to B using the underground sewage system. Or even a map or a road atlas.

That’s why it would be to your advantage to know how to navigate using these older, tried and true methods. It’s never to late to start learning and practicing your skills, so I won’t drag this on anymore and get to the point.

Using Maps to Find Your Way Above Ground

How to Use Folding Street Map

A folding street map is exactly what the name implies. It is a detailed map of streets in a specific area. To be compact the map is folded up to conserve space. These types of maps were originally designed to be kept in motor vehicle glove boxes or to be carried in back packs or brief cases by pedestrians.

{adinserter emp}A street map is a grid map. Map grids are formed by vertical and horizontal lines drawn on the map. Locations on a map are expressed as grid coordinates. Grid coordinates are designed to divide the earth’s surface equally and evenly on a flat surface.

Map coordinates are the numbers and letters used to pinpoint a location. The letters are on the top and bottom of the map and the numbers are on the left and right side of the map. To locate the street that you are looking for first check the street index for the coordinates.

To locate the street on a map, read right across the bottom of the map until you find a grid coordinate that corresponds to your east-west position. Then read up the left side of the map until you reach a coordinate that corresponds to the north-south position. Where these lines cross will be the location of the street that you are looking for.

Note: On proper street maps, North is always up.

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