FEATURES SHOWN ON TOPOGRAPHIC MAPS - USGS
topographic maps of the Survey. b. Planimetric map. --A planimetric map is similar to a topographic map, except that it does not portray relief in a measurable form. The Survey publishes some planimetric maps for use until they can be replaced by topographic maps. 1 The number 1 B 3 signifies Book 1, Part B, Chapter 3 of the
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