Free GM Resource: Library of Congress Map Collections

I thought I'd share another map porn Free GM Resource that has a special meaning for me. The Library of Congress has well over 5 million maps in various collections, but only a fraction are available online. You can check the various online map collections in the Library of Congress here.

When I was a high school Freshman I got to go to Washington DC to compete in National History Day. Being the proper nerd that I was, when we had a day to tour the Capitol Mall I made a bee-line to the Library of Congress and pretty much got signed up for a library card. I had no clue when/if I'd ever be back to DC again, but dammit....I had my access card in case I did...and in nearly 30 years of travelling I never have....

Some good stuff here to check out.....