Plus: for more detail than the state atlases (Delorme Mapping produces one series; Benchmark Maps another), there are commercial and government topographic maps (the latter are the most detailed; look for USGS "quad" maps) for almost anywhere you'd be likely to want one. You buy these things by mail order or in large outdoor recreation stores like REI, EMS and others. Google is your friend.
I have a full filing cabinet of North American maps. You really need to narrow your priorities before going off in search of maps which will show "older roads and perhaps trails."
Hope that helps.
Mark
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