From a recent AOPA email. While many symbols can be found on a paper sectional map, here is a very complete source of them. Most users will be interested in mainly the VFR sections.
"Pilots seeking a deep dive into the legend on aeronautical charts need look no further than the new FAA Aeronautical Chart User's Guide. The 131-page publication has been updated to include new aeronautical chart symbols that have crept onto maps since the last guide was published in 2011."
"Pilots seeking a deep dive into the legend on aeronautical charts need look no further than the new FAA Aeronautical Chart User's Guide. The 131-page publication has been updated to include new aeronautical chart symbols that have crept onto maps since the last guide was published in 2011."