A Comparison of Alternate Formats for the Portrayal of Terrain Relief on Military Maps

Abstract
Two experiments evaluated the effectiveness of relief shading and layer tints as supplements to contour lines for solving eight types of military map-use problems. The addition of layer tints was found to increase the speed of solving most problems with no loss in accuracy. The addition of shaded relief increased the time required to solve problems requiring detailed information but may be valuable in providing a quick general impression. Personnel experienced in using military maps solved map problems more accurately but no faster, on the whole. Also, solving military map use problems in the classroom appears to correlate with performance in the field.

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