The National Map Accuracy Standards (NMAS) require that 90 percent of all points on a map be located within 1 /30-inch of their true location for ... The three map series in common use in the Forest Service that conform to NMAS are the Geological Survey 7.5 minute 1 :24000 Topographic Series, the ... Ninety percent of the elevations on the map must be within one-half of the contour interval of the map.
|Title||:||Proceedings, Geographic Information Systems Awareness Seminar|
|Author||:||United States. Forest Service. Intermountain Region|