Tom Harrison Map Series UTM Slots

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

Tom Harrison's maps are the best full-color, shaded-relief topographic maps for hiking, backpacking, and mountain biking in Parks, Forests, and Wilderness Areas in California. All of his maps are gridded for UTM coordinates. The scales are unusual, and MapTools is pleased to offer a tool specifically designed for these maps.

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Item description Quantity Price Quantity
Tom Harrison Map Series UTM Slots
Part Id: UTM-TH, Made in United States, UPC: 824249150087
Quantities of 10 or more, shipped in bulk packaging. more info
1 - 9
10 - 24
25 - 99


  • 1:10,000 x 1km†
  • 1:24,000 x 1km
  • 1:31,680 x 1km
  • 1:42,240 x 2km
  • 1:47,520 x 2km
  • 1:48,000 x 2km
  • 1:63,360 x 5km
  • 1:100,000 x 10km
  • 1:1,000,000 x 100km†
† This scale can be used by multiplying or dividing one of the scales printed on the tool by 10.

For example, a 1:100,000 x 10km tool can be used as a 1:10,000 x 1km tool by dividing the scale and grid distance by 10, and as a 1:1,000,000 x 100km tool by multiplying the scale and grid distance by 10.

Height: 8.500 in. (216mm)
Width: 6.000 in. (152mm)
Thickness: 0.030 in. (1mm)
Made in United States.

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How to use products like this...

Using a slot style tool to plot/measure a 10m MGRS position

Slot style tool with UTM position

Here is a tutorial on using this type of tool.

Here is information on using the Universal Transverse Mercator coordinates (UTM).

Here is information on using the United States National Grid (USNG).

Here is information on using the Military Grid Reference System (MGRS).