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SimplyAnalytics --a software product providing web-based mapping capabilities utilizing extensive demographic, business and marketing data. A tool that requires a far less intensive learning curve than the more powerful ESRI suite of GIS software. A personal account is required in order to Save your work on the central server.
Scribble Maps allows you to create quick maps with pins, highlighting, and annotations. It also allows you to use lines to calculate distances.
Sanborn Insurance Maps
Historical maps of Illinois used for locating buildings. Detailed historical maps of Illinois from the Sanborn Company. Images can be enlarged online to view detail. Provides full image content. The dates of coverage vary from city to city. For Normal, the only date listed is April 1885. However, Normal is covered in the Bloomington maps after 1885. For Bloomington (and Normal), the dates of maps are August 1886, January 1892, July 1896, June 1901, 1907 and sporadically from 1908 to 1950.
Crowd-sourced free world map showing local information.
ChronoAtlas is a completely free and fully interactive historical atlas of the world. The site allows you to browse the entire globe at any point in history and see boundaries changing over time and cities and other features appearing on the map at the time they were founded. The site is also 100% interactive, you can contribute your own data: meaning your own cities, battles, and photos of historic places and events, and you can also draw boundaries of any historical kingdom you want, or edit those drawn by others if they are inaccurate.
Historical County Boundary Maps
Enter a PRESENT-day U.S. city, town, or county; you can even type a current day address or road name*. The year can be from the mid-1600s (depending on date of state formation) through the year 2000.
Historical World Boundary Maps
Enter a PRESENT-day Place and a HISTORICAL Year as early as 2000 BC, then hit the "Go!" button. The place you type must be a PRESENT-day city and country; or a present-day address or road name* with city and country. The year must be from 2000 BC through 2008 AD (use negative years for BC, such as -200 for 200 BC).
Google Maps Gallery
Popular maps demonstrating visual representations of thematic data. Also includes an explore option for browsing across Google subject facets (i.e. boundaries, culture & society, history, recreation, etc.) and a keyword search option.
Remote Sensing Tutorial
This tutorial, from the Applied Information Sciences Branch at NASA's Goddard Space Flight Center, serves as a primer for new users and a teaching tool for the educational community. It provides a detailed understanding of the utility of the data in light of the fundamental principles of electromagnetic energy, especially as they relate to the sensor deign and function.
CIA World Factbook
This resource from the Central Intelligence Agency (CIA) compiles a variety of information about countries, including geography, people, government, and economy.
The Census Bureau conducts nearly one hundred surveys and censuses every year. Includes population, housing, economic, and geographic information. You can download data, create thematic maps, or reference maps.
Degree of Confluence Project
The goal of the project is to visit each of the latitude and longitude integer degree intersections in the world and to take pictures at each location. The pictures and stories are posted on this website.
National Technical Information Service (NTIS)
NTIS is the federal government's central source for scientific, technical, engineering, and related business information. Some of the information is available electronically from this website; for something that is not, check to see if the library has it.
Science.gov is a gateway to authoritative selected science information provided by U.S. Government agencies, including research and development results. Companion website: SciTechResources.
Additional WWW Resources
Ushahidi - open source tool that allows mapping of various local conditions
BatchGeo - free tool that geocodes addresses and maps points.