Topographic Maps General
For links and procedures for free download of PDF topographic maps, both current US Topo maps and the Historical Topographic Map Collection
You can order the good old-fashioned paper versions of the state by state indexes of USGS topographic maps online from
Once you've gathered as many facts about family history and customs as possible, turn to maps to uncover more specific information or to solve historical mysteries.
A USGS topographic map usually is named for the most prominent feature within the bounds of the map, which is frequently a community.
At the bottom of every USGS topographic map is a diagram that displays the difference and direction between True North (represented as a "star" symbol) and Grid North (abbreviated as "GN").
From the completion of the original 7.5-minute map series in 1992 until late 2008, the USGS mapping program focused on creating national geographic information system (GIS) databases. In Nov