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Site Changes

June 27, 2022, 8:57 p.m.

The georeferencing capabilities will be discontinued on this site sometime this summer, but you'll be able to continue exploring Sanborn maps here. Thanks for all the interest in this project! Follow @mradamcox for future updates.

User Survey (General)

May 17, 2022, 9:32 p.m.

The questionnaire is now available! Sometime before June 1st please take a minute to fill it out, <strong>especially</strong> if you participated in the project: <a href="https://tiny.cc/lahmg-survey" target="_blank">tiny.cc/lahmg-survey</a>

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