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SUBCOURSE EDITION - Modern Prepper

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Step 5: Using the invar scale, set the measurement for the northing value of the control point on thedividers. Take your dividers and set the two needle points so that they are .900 centimeters apart.Step 6: Plot the northing value of the control point by plotting the measurement from the northinggrid line along the two easting grid lines bordering the grid square (fig 6-6). Swing an arc .900centimeters north of grid line 4278 from the two grid intersections shown in figure 6-6.Figure 6-6. Swinging an arc from grid 78 (.900).115

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