Resources for Using and Locating GIS Data
Please pardon the disorganization of the sub-pages while they are being re-organized.
Government agencies, higher education institutions, research organizations, NGOs (Non-Government Organizations), and private data vendors are the major GIS data providers. These data may be acquired over the Internet or with a request to the data providers at no cost or with a fee. In addition, Carleton College creates and maintains campus GIS data that support campus-based teaching and research activities and administrative uses.
Often you will need to modify the acquired data to fit the needs of your project. Contact Wei-Hsin Fu (x5733, email@example.com) if you need help in acquiring or editing your GIS data.
Can I use that GIS data or map? by Nicholas Duggan, 2014
In the article a simple guide to legal pitfalls in using GIS data and map: