Map Rulers - USGS Set of 10 Map Rulers
Scales for most maps published by USGS

Note: Product edges and interior cutouts are shown with a thin red line. Neither the red lines, colored background, nor map image are printed on the actual tool. (more info)

Product Description

Ten rulers covering the common map scales used by the USGS, Forest Service, and BLM.

These rulers can be used to measure or plot latitude/longitude coordinates, UTM/MGRS/USNG coordinates, and to measure distances in either meters or miles.

On the front side, the rulers have minutes and seconds on one edge and decimal minutes on the other edge, allowing you to use either notation. On the back side, the rulers have distance in meters on one edge, and distance in either miles on the other edge.

Latitude is measured directly with the rulers. But, since a degree of longitude covers a shorter distance as you move towards the poles, the rulers are used on a diagonal to measure longitude. See the usage diagrams for more information.

The rules are packaged in a handy clear vinyl storage pouch, and includes instructions for use.

Scale	Maps	Front Side			Back Side
Scale	Maps	Span	Ruler Increments in Minutes	Ruler Increments in Seconds	Ruler Increments in meters	Ruler Increments in Miles or Nautical Miles
1:24,000	USGS 7.5 minute topographic maps	2.5 min	0.01 min	1 sec	10 m	0.01 mi
1:25,000	USGS 7.5 minute topographic maps of Alaska and a few places in the Continental United States	2.5 min	0.01 min	1 sec	10 m	0.01 mi
1:50,000	Canadian National Topographic System (NTS) maps USGS County series topographic maps	5 min	0.01 min	1 sec	50 m	0.05 mi
1:62,500	USGS 15 minute topographic maps	5 min	0.05 min	1 sec	50 m	0.05 mi
1:63,360	USGS 15 minute topographic maps of Alaska 1 inch = 1 mile	5 min	0.05 min	1 sec	50 m	0.05 mi
1:100,000	USGS & BLM 30 X 60 minute topographic maps Delorme Atlas & Gazetteers for: Delaware Maryland New Hampshire Vermont	10 min	0.05 min	5 sec	50 m	0.1 mi
1:125,000	Delorme Atlas & Gazetteers for: Maine (Old editions. New editions are 1:135,000)	7.5 min	0.05 min	5 sec	50 m	0.1 mi
1:126,720	US Forest Service forest maps 1/2 inch = 1 mile maps	7.5 min	0.05 min	5 sec	50 m	0.1 mi
1:250,000	USGS 1 X 2 degree series topographic maps Canadian National Topographic System (NTS) maps Delorme Atlas & Gazetteers for: Arizona (Old editions. New editions are 1:260,000) Idaho Montana Nevada Utah (Old editions. New editions are 1:235,000) Wyoming (Old editions. New editions are 1:225,000)	15 min	0.1 min	15 sec	100 m	0.1 mi
1:500,000	USGS State Base Maps NOAA Aeronautical Sectionals	30 min	0.5 min	30 sec	500 m	0.5 mi
Length	The front side has two 8 inch scales, one marked in 1/16ths of an inch and the other in 1/10ths of an inch. The flip side has a 200 millimeter ruler, and 10 numeric unit conversion factors listed.

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Item description	Quantity	Price	Quantity
Map Rulers - USGS Set of 10 Map Rulers 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 info	1 - 9 10 - 24 25 - 99 100+	$26.45 $22.48 $18.52 $15.87