Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
www.gis.state.mn.us
Maps drawn between 1848 and 1907 by the U.S. Surveyor General's Office. One for each township, these are still the basis of property titles. In PDF.