Do all USGS 7.5 minute topographic maps show the UTM grid?
Historical Topographic Map Collection (1884-2006): Through time, policies have changed regarding whether or not a full UTM grid would appear on the 7.5-minute (1:24,000-scale) map series. Beginning in the mid 1950s, the grid was indicated by blue ticks around the map at 1,000-meter spacing. In 1979, the ticks were replaced with a full-line black UTM grid. This decision was reversed in 1992, then reversed again in 1994, but the 7.5-minute topographic program was winding down by this time and relatively few maps were affected. Maps published over National Forests in cooperation with U.S. Forest Service do not show the full grid regardless of their vintage.
US Topo maps (2010 to present): All US Topo maps published after 2009 have a full UTM grid that is implemented in conformance with the U.S. National Grid (USNG) standard. US Topo maps in the GeoPDF format are layered documents, giving users the option to turn the grid off.
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