Scales for most maps published by USGS Part Id: USGSSet, Made in United States UPC: 824249110036 Quantities of 10 or more, shipped in bulk packaging.more info1 - 9 10 - 24 25 - 99 100+ $26.45 $22.48 $18.52 $15.87 Map Rulers - Explorer Set of MapRulers ...
Locating MGRS grid information on USGS topographic mapsGrid Zone DetailsThe 100,000 meter square identifier letter pairsMetric Distance MeasurementsThe small differences between USNG and MRGSSome of the history behind the military adoption of UTM and MGRS...