This course will become read-only in the near future. Tell us at community.p2pu.org if that is a problem.

Data Sources [Dec. 12, 2011, 2:04 a.m.]


There are many excellent sources for free and open geospatial information. Depending on your needs, you may combine data from multiple sources. You may also store, modify, and re-distribute most of the information available, to meet your needs and the needs of your community.