The Steampunk Boiler Room

I'm writing a steampunk novel for NaNoWriMo and I'm stuck on a couple of aspects. My novel is set in Philadelphia in the 1890s and I'm having a difficult time finding maps and info on that time period that doesn't have to do with the civil war and slaves. I know that was important but I'm looking for landmarks and such since I've never been to Philadelphia. If anyone has any research ideas, I'd love to hear them. Or maybe a more reliable search engine because google brings a lot of irrelevant info back. Any suggestions would be helpful! Thanks!

Serenity to you and yours!
Piratess Dawniebelle

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