1:84,000 Scale Map Ruler
Price: $4.95
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The following map scales are used on various topo maps to locate exact latitude and longitude coordinates for any spot on the map. The various scales are outlined below with a description of the USGS and DELORME maps that they will work on. Each of these individual map scales can be used to locate either latitude-longitude or UTM coordinates. They are packaged in a protective plastic case with detailed instructions.