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| The following map scales are used on various topo maps to locate exact latitude / longitude, or UTM coordinates for any spot on the map. The scales vary in the number of different types of maps they will work with. Common U.S.G.S. map scales are 1 to 24,000 which is the standard scale now for detailed maps, 1 to 62,500 which was the scale of the 15 minute maps, and 1 to 100,000 which is used on current wide area maps. |
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"TOPO COMPANION" MAP SCALE
Used to find latitude, longitude and UTM coordinates on a variety of topo maps. Clear plastic scale is apx. 2 3/4" X 8 1/2" and has scales for maps at 1/24,000, 1/25,000, 1/50,000, 1/63,360 and 1/250,000. W-5982 $5.95 |
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"THE COORDINATOR" MAP SCALE
This scale is similar to the TOPO COMPANION but is larger.( 4 1/2" X 11 1/2"). It also has more map scales available. 1/20,000, 1/ 24,000, 1/ 25,000, 1/30,000, 1/50,000, 1/ 62,500, 1/ 63,600, 1/ 100,000, 1/250,000. W-5981 $9.95 |
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UTM GRID READER
Transparent, laminated scale used to plot UTM coordinates from your GPS receiver to maps and visa versa. Has the following scales available: 1:24,000, 1:62,500, 1:63,360, 1:25,000, 1:50,000, 1:100,000, 1:150,000, and 1:250,000. Scale also incorporates a full 360 degree protractor. 5" x 6". W-5984 $5.95 |
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TOPO MAP READER
This tool is as handy as a two pocket shirt for locating land parcels or laying out mining claims on USGS 7 1/2 minute topo maps. Features distance scales in miles, feet, and meters. It also has a 180 degree protractor and an overlay of a typical one mile square section with divisions from a half section down to 10 acres. 4" x 6" clear plastic. W-5983 This item is temporarily not available. |
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TOPO MAP STRAIGHT EDGE
Aluminum 24 Inch Ruler This handy aluminum 1 inch wide project ruler/straightedge is marked from 0 to 24 inches on one side and 0 to 60 centimeters on the other. You need a tool like this to prepare 7 1/2 min topo maps to use the lat/lon or UTM scales above. W-5991 $3.49 |
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