In the Sector Reference System, a USGS 1:24,000 scale topographic map is divided into many parts (sectors). How many parts?

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Multiple Choice

In the Sector Reference System, a USGS 1:24,000 scale topographic map is divided into many parts (sectors). How many parts?

The Sector Reference System uses a simple 3-by-3 grid on each USGS 1:24,000 map. Lines drawn at one-third intervals across the width and height divide the map into nine equal sectors. This 3-by-3 division gives nine parts, providing a quick, precise way to reference a location within the map. The grid is specifically arranged in thirds in both directions, so options like six, twelve, or three parts don’t fit the standard scheme.

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