A set that contains one of each of MapTools Reference Cards.
-UTM, MGRS, and USNG
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Sample GPS display
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1km grid diagram
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Example of dividing a 1km grid into 100m squares and determining UTM in either meters or kilometers
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Reminder that the Easting comes before the Northing Military Grid Reference System & US National Grid
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Example GPS display in UTM showing components of MGRS/USNG coordinates
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Example 100,000m square diagram
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Example using the “large” digits from
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UTM coordinates on the map.
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Example MGRS/USNG coordinates. Both full and abbreviated coordinates shown with 100m and 10m precision
-Declination & Compass Rose
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360° Protractor / Compass Rose
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Cardinal Compass Points
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24 Hour Clock Face
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Sample declination diagrams for both east and west declination
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North definitions
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Formulas for converting between Grid or True North and Magnetic North
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Using Grid and True North on a map
-Latitude & Longitude
Latitude:
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Earth diagram showing parallels of latitude, the equator, and the poles
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Measuring latitude with a map ruler
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One minute to one nautical mile relationship
Longitude:
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Earth diagram showing meridians of longitude west and east of the prime meridian
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Measuring longitude with a map ruler
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Example lat/lon coordinates in two popular formats and their GPS “units” settings.
-Time, Speed, & Distance
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Time / Speed / Distance formulas
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Time / Speed / Distance variables and units
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1:24,000 scale ruler to measure kilometers, marked at 10m interval
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1:24,000 scale ruler to measure miles, marked at 0.01 mile interval
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Miles to Kilometers conversion scale
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Useful distance unit conversion factors
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Inches ruler, marked at 1/10th inch interval
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Millimeter ruler
-Millimeter Grid
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with white background on one side, black on the other. Useful for examining snow crystals, sand grains, soil characteristics, or small artifacts.
-Inclinometer in Degrees & % of slope
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Measures slope angle in both degrees and percent
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Mark to cut slit for weighted thread (thread not included)
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Usage diagram
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Relative slab avalanche frequency reference
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Height of an object measurement diagram and formula
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x - y reference diagram
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% slope formula
Specifications
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Height: 2.750 in. (70mm)
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Width: 2.750 in. (70mm)
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Thickness: 0.150 in. (4mm) (Pocket Magnifier: 0.020 in. (1mm))
Made in the United States.
All orders that include products from MapTools, receive a printed copy of these free reference materials: