Clearly defined scales and slots along each scale make it the best scale for plotting and determining geographic coordinates (Lat/Long) on the most commonly used maps.

Has scales for the following maps:
7.5' Topo Series 1:24K
15' Topo Series 1:62.5K
30'x60' Topo Series 1:100K
1 degree x 2 degree Topo Series 1:250K
U.S. Forest Maps 1:126.72K

Detailed instructions for plotting and reading coordinates, complete with a sample section of a 7.5' Topo for realistic examples.

Made of durable .030" vinyl